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Finding the Fourth Proportional to 61,978.14, 92,915.39 and 28,722.03

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Solution

The fourth proportional to 61,978.14, 92,915.39 and 28,722.03 is: 43,059.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,978.14 : 92,915.39 = 28,722.03 : x
  2. Step 2: Convert to fraction form
    61,978.14/92,915.39 = 28,722.03/x
  3. Step 3: Cross multiply
    61,978.14x = 92,915.39 × 28,722.03
  4. Step 4: Simplify right side
    61,978.14x = 2,668,718,475.43
  5. Step 5: Solve for x
    x = 2,668,718,475.43/61,978.14
  6. Step 6: Final answer
    x = 43,059.03

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