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Finding the Fourth Proportional to 86,371.52, 129,531.15 and 30,201.17

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Solution

The fourth proportional to 86,371.52, 129,531.15 and 30,201.17 is: 45,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,371.52 : 129,531.15 = 30,201.17 : x
  2. Step 2: Convert to fraction form
    86,371.52/129,531.15 = 30,201.17/x
  3. Step 3: Cross multiply
    86,371.52x = 129,531.15 × 30,201.17
  4. Step 4: Simplify right side
    86,371.52x = 3,911,991,633.79
  5. Step 5: Solve for x
    x = 3,911,991,633.79/86,371.52
  6. Step 6: Final answer
    x = 45,292.61

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