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Finding the Fourth Proportional to 36,680.76, 55,024.79 and 13,309.02

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Solution

The fourth proportional to 36,680.76, 55,024.79 and 13,309.02 is: 19,964.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,680.76 : 55,024.79 = 13,309.02 : x
  2. Step 2: Convert to fraction form
    36,680.76/55,024.79 = 13,309.02/x
  3. Step 3: Cross multiply
    36,680.76x = 55,024.79 × 13,309.02
  4. Step 4: Simplify right side
    36,680.76x = 732,325,964.06
  5. Step 5: Solve for x
    x = 732,325,964.06/36,680.76
  6. Step 6: Final answer
    x = 19,964.85

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