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Finding the Fourth Proportional to 591,021.20, 886,531.80 and 402,064.40

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Solution

The fourth proportional to 591,021.20, 886,531.80 and 402,064.40 is: 603,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,021.20 : 886,531.80 = 402,064.40 : x
  2. Step 2: Convert to fraction form
    591,021.20/886,531.80 = 402,064.40/x
  3. Step 3: Cross multiply
    591,021.20x = 886,531.80 × 402,064.40
  4. Step 4: Simplify right side
    591,021.20x = 356,442,876,247.92
  5. Step 5: Solve for x
    x = 356,442,876,247.92/591,021.20
  6. Step 6: Final answer
    x = 603,096.60

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