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Finding the Fourth Proportional to 8,547.26, 12,821.02 and 2,391.26

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Solution

The fourth proportional to 8,547.26, 12,821.02 and 2,391.26 is: 3,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.26 : 12,821.02 = 2,391.26 : x
  2. Step 2: Convert to fraction form
    8,547.26/12,821.02 = 2,391.26/x
  3. Step 3: Cross multiply
    8,547.26x = 12,821.02 × 2,391.26
  4. Step 4: Simplify right side
    8,547.26x = 30,658,392.29
  5. Step 5: Solve for x
    x = 30,658,392.29/8,547.26
  6. Step 6: Final answer
    x = 3,586.93

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