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Finding the Fourth Proportional to 111,622.56, 167,433.92 and 28,516.64

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Solution

The fourth proportional to 111,622.56, 167,433.92 and 28,516.64 is: 42,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,622.56 : 167,433.92 = 28,516.64 : x
  2. Step 2: Convert to fraction form
    111,622.56/167,433.92 = 28,516.64/x
  3. Step 3: Cross multiply
    111,622.56x = 167,433.92 × 28,516.64
  4. Step 4: Simplify right side
    111,622.56x = 4,774,652,820.43
  5. Step 5: Solve for x
    x = 4,774,652,820.43/111,622.56
  6. Step 6: Final answer
    x = 42,774.98

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