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Finding the Fourth Proportional to 8,547.64, 12,821.92 and 2,703.80

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Solution

The fourth proportional to 8,547.64, 12,821.92 and 2,703.80 is: 4,055.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.64 : 12,821.92 = 2,703.80 : x
  2. Step 2: Convert to fraction form
    8,547.64/12,821.92 = 2,703.80/x
  3. Step 3: Cross multiply
    8,547.64x = 12,821.92 × 2,703.80
  4. Step 4: Simplify right side
    8,547.64x = 34,667,868.07
  5. Step 5: Solve for x
    x = 34,667,868.07/8,547.64
  6. Step 6: Final answer
    x = 4,055.84

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