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Finding the Fourth Proportional to 76,713.77, 115,081.58 and 37,243.88

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Solution

The fourth proportional to 76,713.77, 115,081.58 and 37,243.88 is: 55,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,713.77 : 115,081.58 = 37,243.88 : x
  2. Step 2: Convert to fraction form
    76,713.77/115,081.58 = 37,243.88/x
  3. Step 3: Cross multiply
    76,713.77x = 115,081.58 × 37,243.88
  4. Step 4: Simplify right side
    76,713.77x = 4,286,083,794.10
  5. Step 5: Solve for x
    x = 4,286,083,794.10/76,713.77
  6. Step 6: Final answer
    x = 55,871.12

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