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Finding the Fourth Proportional to 92,263.30, 138,438.68 and 54,897.18

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Solution

The fourth proportional to 92,263.30, 138,438.68 and 54,897.18 is: 82,371.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,263.30 : 138,438.68 = 54,897.18 : x
  2. Step 2: Convert to fraction form
    92,263.30/138,438.68 = 54,897.18/x
  3. Step 3: Cross multiply
    92,263.30x = 138,438.68 × 54,897.18
  4. Step 4: Simplify right side
    92,263.30x = 7,599,893,134.92
  5. Step 5: Solve for x
    x = 7,599,893,134.92/92,263.30
  6. Step 6: Final answer
    x = 82,371.79

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