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Finding the Fourth Proportional to 185,909.68, 256,554.68 and 105,352.54

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Solution

The fourth proportional to 185,909.68, 256,554.68 and 105,352.54 is: 145,386.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,909.68 : 256,554.68 = 105,352.54 : x
  2. Step 2: Convert to fraction form
    185,909.68/256,554.68 = 105,352.54/x
  3. Step 3: Cross multiply
    185,909.68x = 256,554.68 × 105,352.54
  4. Step 4: Simplify right side
    185,909.68x = 27,028,687,186.89
  5. Step 5: Solve for x
    x = 27,028,687,186.89/185,909.68
  6. Step 6: Final answer
    x = 145,386.12

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