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Finding the Fourth Proportional to 89,640.55, 134,460.83 and 26,461.54

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Solution

The fourth proportional to 89,640.55, 134,460.83 and 26,461.54 is: 39,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,640.55 : 134,460.83 = 26,461.54 : x
  2. Step 2: Convert to fraction form
    89,640.55/134,460.83 = 26,461.54/x
  3. Step 3: Cross multiply
    89,640.55x = 134,460.83 × 26,461.54
  4. Step 4: Simplify right side
    89,640.55x = 3,558,040,631.48
  5. Step 5: Solve for x
    x = 3,558,040,631.48/89,640.55
  6. Step 6: Final answer
    x = 39,692.31

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