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Finding the Fourth Proportional to 104,816.66, 144,649.58 and 57,072.62

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Solution

The fourth proportional to 104,816.66, 144,649.58 and 57,072.62 is: 78,761.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,816.66 : 144,649.58 = 57,072.62 : x
  2. Step 2: Convert to fraction form
    104,816.66/144,649.58 = 57,072.62/x
  3. Step 3: Cross multiply
    104,816.66x = 144,649.58 × 57,072.62
  4. Step 4: Simplify right side
    104,816.66x = 8,255,529,503.89
  5. Step 5: Solve for x
    x = 8,255,529,503.89/104,816.66
  6. Step 6: Final answer
    x = 78,761.62

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