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Finding the Fourth Proportional to 103,627.10, 155,449.43 and 28,747.24

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Solution

The fourth proportional to 103,627.10, 155,449.43 and 28,747.24 is: 43,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,627.10 : 155,449.43 = 28,747.24 : x
  2. Step 2: Convert to fraction form
    103,627.10/155,449.43 = 28,747.24/x
  3. Step 3: Cross multiply
    103,627.10x = 155,449.43 × 28,747.24
  4. Step 4: Simplify right side
    103,627.10x = 4,468,742,072.07
  5. Step 5: Solve for x
    x = 4,468,742,072.07/103,627.10
  6. Step 6: Final answer
    x = 43,123.30

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