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Finding the Fourth Proportional to 69,462.48, 104,081.76 and 36,132.60

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Solution

The fourth proportional to 69,462.48, 104,081.76 and 36,132.60 is: 54,140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,462.48 : 104,081.76 = 36,132.60 : x
  2. Step 2: Convert to fraction form
    69,462.48/104,081.76 = 36,132.60/x
  3. Step 3: Cross multiply
    69,462.48x = 104,081.76 × 36,132.60
  4. Step 4: Simplify right side
    69,462.48x = 3,760,744,601.38
  5. Step 5: Solve for x
    x = 3,760,744,601.38/69,462.48
  6. Step 6: Final answer
    x = 54,140.66

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