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Finding the Fourth Proportional to 123,766.52, 170,783.55 and 69,311.07

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Solution

The fourth proportional to 123,766.52, 170,783.55 and 69,311.07 is: 95,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,766.52 : 170,783.55 = 69,311.07 : x
  2. Step 2: Convert to fraction form
    123,766.52/170,783.55 = 69,311.07/x
  3. Step 3: Cross multiply
    123,766.52x = 170,783.55 × 69,311.07
  4. Step 4: Simplify right side
    123,766.52x = 11,837,190,588.90
  5. Step 5: Solve for x
    x = 11,837,190,588.90/123,766.52
  6. Step 6: Final answer
    x = 95,641.30

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