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Finding the Fourth Proportional to 86,559.67, 129,863.40 and 36,613.45

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Solution

The fourth proportional to 86,559.67, 129,863.40 and 36,613.45 is: 54,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,559.67 : 129,863.40 = 36,613.45 : x
  2. Step 2: Convert to fraction form
    86,559.67/129,863.40 = 36,613.45/x
  3. Step 3: Cross multiply
    86,559.67x = 129,863.40 × 36,613.45
  4. Step 4: Simplify right side
    86,559.67x = 4,754,747,102.73
  5. Step 5: Solve for x
    x = 4,754,747,102.73/86,559.67
  6. Step 6: Final answer
    x = 54,930.28

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