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Finding the Fourth Proportional to 88,705.70, 133,058.55 and 79,957.70

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Solution

The fourth proportional to 88,705.70, 133,058.55 and 79,957.70 is: 119,936.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,705.70 : 133,058.55 = 79,957.70 : x
  2. Step 2: Convert to fraction form
    88,705.70/133,058.55 = 79,957.70/x
  3. Step 3: Cross multiply
    88,705.70x = 133,058.55 × 79,957.70
  4. Step 4: Simplify right side
    88,705.70x = 10,639,055,623.34
  5. Step 5: Solve for x
    x = 10,639,055,623.34/88,705.70
  6. Step 6: Final answer
    x = 119,936.55

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