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Finding the Fourth Proportional to 5,786.63, 8,678.15 and 2,088.38

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Solution

The fourth proportional to 5,786.63, 8,678.15 and 2,088.38 is: 3,131.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.63 : 8,678.15 = 2,088.38 : x
  2. Step 2: Convert to fraction form
    5,786.63/8,678.15 = 2,088.38/x
  3. Step 3: Cross multiply
    5,786.63x = 8,678.15 × 2,088.38
  4. Step 4: Simplify right side
    5,786.63x = 18,123,221.06
  5. Step 5: Solve for x
    x = 18,123,221.06/5,786.63
  6. Step 6: Final answer
    x = 3,131.92

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