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Finding the Fourth Proportional to 86,136.62, 129,204.92 and 26,976.92

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Solution

The fourth proportional to 86,136.62, 129,204.92 and 26,976.92 is: 40,465.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,136.62 : 129,204.92 = 26,976.92 : x
  2. Step 2: Convert to fraction form
    86,136.62/129,204.92 = 26,976.92/x
  3. Step 3: Cross multiply
    86,136.62x = 129,204.92 × 26,976.92
  4. Step 4: Simplify right side
    86,136.62x = 3,485,550,211.86
  5. Step 5: Solve for x
    x = 3,485,550,211.86/86,136.62
  6. Step 6: Final answer
    x = 40,465.37

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