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Finding the Fourth Proportional to 92,495.70, 138,743.55 and 62,971.20

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Solution

The fourth proportional to 92,495.70, 138,743.55 and 62,971.20 is: 94,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,495.70 : 138,743.55 = 62,971.20 : x
  2. Step 2: Convert to fraction form
    92,495.70/138,743.55 = 62,971.20/x
  3. Step 3: Cross multiply
    92,495.70x = 138,743.55 × 62,971.20
  4. Step 4: Simplify right side
    92,495.70x = 8,736,847,835.76
  5. Step 5: Solve for x
    x = 8,736,847,835.76/92,495.70
  6. Step 6: Final answer
    x = 94,456.80

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