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Finding the Fourth Proportional to 113,928.42, 170,892.64 and 74,518.68

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Solution

The fourth proportional to 113,928.42, 170,892.64 and 74,518.68 is: 111,778.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,928.42 : 170,892.64 = 74,518.68 : x
  2. Step 2: Convert to fraction form
    113,928.42/170,892.64 = 74,518.68/x
  3. Step 3: Cross multiply
    113,928.42x = 170,892.64 × 74,518.68
  4. Step 4: Simplify right side
    113,928.42x = 12,734,694,269.34
  5. Step 5: Solve for x
    x = 12,734,694,269.34/113,928.42
  6. Step 6: Final answer
    x = 111,778.03

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