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Finding the Fourth Proportional to 92,575.20, 138,862.80 and 22,454.40

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Solution

The fourth proportional to 92,575.20, 138,862.80 and 22,454.40 is: 33,681.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,575.20 : 138,862.80 = 22,454.40 : x
  2. Step 2: Convert to fraction form
    92,575.20/138,862.80 = 22,454.40/x
  3. Step 3: Cross multiply
    92,575.20x = 138,862.80 × 22,454.40
  4. Step 4: Simplify right side
    92,575.20x = 3,118,080,856.32
  5. Step 5: Solve for x
    x = 3,118,080,856.32/92,575.20
  6. Step 6: Final answer
    x = 33,681.60

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