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Finding the Fourth Proportional to 178,410.64, 267,626.04 and 78,617.44

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Solution

The fourth proportional to 178,410.64, 267,626.04 and 78,617.44 is: 117,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,410.64 : 267,626.04 = 78,617.44 : x
  2. Step 2: Convert to fraction form
    178,410.64/267,626.04 = 78,617.44/x
  3. Step 3: Cross multiply
    178,410.64x = 267,626.04 × 78,617.44
  4. Step 4: Simplify right side
    178,410.64x = 21,040,074,142.14
  5. Step 5: Solve for x
    x = 21,040,074,142.14/178,410.64
  6. Step 6: Final answer
    x = 117,930.60

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