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Finding the Fourth Proportional to 86,724.74, 129,992.10 and 44,607.04

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Solution

The fourth proportional to 86,724.74, 129,992.10 and 44,607.04 is: 66,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,724.74 : 129,992.10 = 44,607.04 : x
  2. Step 2: Convert to fraction form
    86,724.74/129,992.10 = 44,607.04/x
  3. Step 3: Cross multiply
    86,724.74x = 129,992.10 × 44,607.04
  4. Step 4: Simplify right side
    86,724.74x = 5,798,562,804.38
  5. Step 5: Solve for x
    x = 5,798,562,804.38/86,724.74
  6. Step 6: Final answer
    x = 66,861.69

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