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Finding the Fourth Proportional to 528,598.68, 792,890.88 and 129,242.88

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Solution

The fourth proportional to 528,598.68, 792,890.88 and 129,242.88 is: 193,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,598.68 : 792,890.88 = 129,242.88 : x
  2. Step 2: Convert to fraction form
    528,598.68/792,890.88 = 129,242.88/x
  3. Step 3: Cross multiply
    528,598.68x = 792,890.88 × 129,242.88
  4. Step 4: Simplify right side
    528,598.68x = 102,475,500,856.93
  5. Step 5: Solve for x
    x = 102,475,500,856.93/528,598.68
  6. Step 6: Final answer
    x = 193,862.57

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