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Finding the Fourth Proportional to 74,305.56, 102,440.52 and 53,047.92

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Solution

The fourth proportional to 74,305.56, 102,440.52 and 53,047.92 is: 73,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,305.56 : 102,440.52 = 53,047.92 : x
  2. Step 2: Convert to fraction form
    74,305.56/102,440.52 = 53,047.92/x
  3. Step 3: Cross multiply
    74,305.56x = 102,440.52 × 53,047.92
  4. Step 4: Simplify right side
    74,305.56x = 5,434,256,509.72
  5. Step 5: Solve for x
    x = 5,434,256,509.72/74,305.56
  6. Step 6: Final answer
    x = 73,133.92

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