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Finding the Fourth Proportional to 91,272.06, 136,908.90 and 24,712.80

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Solution

The fourth proportional to 91,272.06, 136,908.90 and 24,712.80 is: 37,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,272.06 : 136,908.90 = 24,712.80 : x
  2. Step 2: Convert to fraction form
    91,272.06/136,908.90 = 24,712.80/x
  3. Step 3: Cross multiply
    91,272.06x = 136,908.90 × 24,712.80
  4. Step 4: Simplify right side
    91,272.06x = 3,383,402,263.92
  5. Step 5: Solve for x
    x = 3,383,402,263.92/91,272.06
  6. Step 6: Final answer
    x = 37,069.42

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