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Finding the Fourth Proportional to 84,680.25, 127,020.44 and 21,505.11

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Solution

The fourth proportional to 84,680.25, 127,020.44 and 21,505.11 is: 32,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,680.25 : 127,020.44 = 21,505.11 : x
  2. Step 2: Convert to fraction form
    84,680.25/127,020.44 = 21,505.11/x
  3. Step 3: Cross multiply
    84,680.25x = 127,020.44 × 21,505.11
  4. Step 4: Simplify right side
    84,680.25x = 2,731,588,426.92
  5. Step 5: Solve for x
    x = 2,731,588,426.92/84,680.25
  6. Step 6: Final answer
    x = 32,257.68

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