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Finding the Fourth Proportional to 105,040.02, 157,479.26 and 54,384.74

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Solution

The fourth proportional to 105,040.02, 157,479.26 and 54,384.74 is: 81,535.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,040.02 : 157,479.26 = 54,384.74 : x
  2. Step 2: Convert to fraction form
    105,040.02/157,479.26 = 54,384.74/x
  3. Step 3: Cross multiply
    105,040.02x = 157,479.26 × 54,384.74
  4. Step 4: Simplify right side
    105,040.02x = 8,564,468,610.49
  5. Step 5: Solve for x
    x = 8,564,468,610.49/105,040.02
  6. Step 6: Final answer
    x = 81,535.29

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