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Finding the Fourth Proportional to 92,638.61, 127,842.29 and 54,398.61

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Solution

The fourth proportional to 92,638.61, 127,842.29 and 54,398.61 is: 75,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,638.61 : 127,842.29 = 54,398.61 : x
  2. Step 2: Convert to fraction form
    92,638.61/127,842.29 = 54,398.61/x
  3. Step 3: Cross multiply
    92,638.61x = 127,842.29 × 54,398.61
  4. Step 4: Simplify right side
    92,638.61x = 6,954,442,807.22
  5. Step 5: Solve for x
    x = 6,954,442,807.22/92,638.61
  6. Step 6: Final answer
    x = 75,070.67

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