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Finding the Fourth Proportional to 36,786.61, 55,189.16 and 10,491.38

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Solution

The fourth proportional to 36,786.61, 55,189.16 and 10,491.38 is: 15,739.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,786.61 : 55,189.16 = 10,491.38 : x
  2. Step 2: Convert to fraction form
    36,786.61/55,189.16 = 10,491.38/x
  3. Step 3: Cross multiply
    36,786.61x = 55,189.16 × 10,491.38
  4. Step 4: Simplify right side
    36,786.61x = 579,010,449.44
  5. Step 5: Solve for x
    x = 579,010,449.44/36,786.61
  6. Step 6: Final answer
    x = 15,739.71

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