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Finding the Fourth Proportional to 8,681.04, 13,022.22 and 3,486.96

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Solution

The fourth proportional to 8,681.04, 13,022.22 and 3,486.96 is: 5,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.04 : 13,022.22 = 3,486.96 : x
  2. Step 2: Convert to fraction form
    8,681.04/13,022.22 = 3,486.96/x
  3. Step 3: Cross multiply
    8,681.04x = 13,022.22 × 3,486.96
  4. Step 4: Simplify right side
    8,681.04x = 45,407,960.25
  5. Step 5: Solve for x
    x = 45,407,960.25/8,681.04
  6. Step 6: Final answer
    x = 5,230.71

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