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Finding the Fourth Proportional to 5,645.96, 8,470.79 and 2,359.99

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Solution

The fourth proportional to 5,645.96, 8,470.79 and 2,359.99 is: 3,540.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.96 : 8,470.79 = 2,359.99 : x
  2. Step 2: Convert to fraction form
    5,645.96/8,470.79 = 2,359.99/x
  3. Step 3: Cross multiply
    5,645.96x = 8,470.79 × 2,359.99
  4. Step 4: Simplify right side
    5,645.96x = 19,990,979.69
  5. Step 5: Solve for x
    x = 19,990,979.69/5,645.96
  6. Step 6: Final answer
    x = 3,540.76

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