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Finding the Fourth Proportional to 641,049.99, 884,589.53 and 354,563.93

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Solution

The fourth proportional to 641,049.99, 884,589.53 and 354,563.93 is: 489,265.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,049.99 : 884,589.53 = 354,563.93 : x
  2. Step 2: Convert to fraction form
    641,049.99/884,589.53 = 354,563.93/x
  3. Step 3: Cross multiply
    641,049.99x = 884,589.53 × 354,563.93
  4. Step 4: Simplify right side
    641,049.99x = 313,643,536,657.12
  5. Step 5: Solve for x
    x = 313,643,536,657.12/641,049.99
  6. Step 6: Final answer
    x = 489,265.33

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