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Finding the Fourth Proportional to 92,047.40, 138,045.52 and 58,291.44

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Solution

The fourth proportional to 92,047.40, 138,045.52 and 58,291.44 is: 87,420.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.40 : 138,045.52 = 58,291.44 : x
  2. Step 2: Convert to fraction form
    92,047.40/138,045.52 = 58,291.44/x
  3. Step 3: Cross multiply
    92,047.40x = 138,045.52 × 58,291.44
  4. Step 4: Simplify right side
    92,047.40x = 8,046,872,146.35
  5. Step 5: Solve for x
    x = 8,046,872,146.35/92,047.40
  6. Step 6: Final answer
    x = 87,420.96

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