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Finding the Fourth Proportional to 114,429.84, 171,285.12 and 79,262.88

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Solution

The fourth proportional to 114,429.84, 171,285.12 and 79,262.88 is: 118,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,429.84 : 171,285.12 = 79,262.88 : x
  2. Step 2: Convert to fraction form
    114,429.84/171,285.12 = 79,262.88/x
  3. Step 3: Cross multiply
    114,429.84x = 171,285.12 × 79,262.88
  4. Step 4: Simplify right side
    114,429.84x = 13,576,551,912.35
  5. Step 5: Solve for x
    x = 13,576,551,912.35/114,429.84
  6. Step 6: Final answer
    x = 118,645.21

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