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Finding the Fourth Proportional to 461,624.40, 692,436.60 and 129,200.40

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Solution

The fourth proportional to 461,624.40, 692,436.60 and 129,200.40 is: 193,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,624.40 : 692,436.60 = 129,200.40 : x
  2. Step 2: Convert to fraction form
    461,624.40/692,436.60 = 129,200.40/x
  3. Step 3: Cross multiply
    461,624.40x = 692,436.60 × 129,200.40
  4. Step 4: Simplify right side
    461,624.40x = 89,463,085,694.64
  5. Step 5: Solve for x
    x = 89,463,085,694.64/461,624.40
  6. Step 6: Final answer
    x = 193,800.60

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