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Finding the Fourth Proportional to 92,011.20, 138,097.80 and 54,524.40

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Solution

The fourth proportional to 92,011.20, 138,097.80 and 54,524.40 is: 81,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,011.20 : 138,097.80 = 54,524.40 : x
  2. Step 2: Convert to fraction form
    92,011.20/138,097.80 = 54,524.40/x
  3. Step 3: Cross multiply
    92,011.20x = 138,097.80 × 54,524.40
  4. Step 4: Simplify right side
    92,011.20x = 7,529,699,686.32
  5. Step 5: Solve for x
    x = 7,529,699,686.32/92,011.20
  6. Step 6: Final answer
    x = 81,834.60

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