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Finding the Fourth Proportional to 465,543.92, 698,302.08 and 128,604.85

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Solution

The fourth proportional to 465,543.92, 698,302.08 and 128,604.85 is: 192,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,543.92 : 698,302.08 = 128,604.85 : x
  2. Step 2: Convert to fraction form
    465,543.92/698,302.08 = 128,604.85/x
  3. Step 3: Cross multiply
    465,543.92x = 698,302.08 × 128,604.85
  4. Step 4: Simplify right side
    465,543.92x = 89,805,032,507.33
  5. Step 5: Solve for x
    x = 89,805,032,507.33/465,543.92
  6. Step 6: Final answer
    x = 192,903.46

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