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Finding the Fourth Proportional to 8,815.54, 12,164.12 and 5,675.98

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Solution

The fourth proportional to 8,815.54, 12,164.12 and 5,675.98 is: 7,832.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,815.54 : 12,164.12 = 5,675.98 : x
  2. Step 2: Convert to fraction form
    8,815.54/12,164.12 = 5,675.98/x
  3. Step 3: Cross multiply
    8,815.54x = 12,164.12 × 5,675.98
  4. Step 4: Simplify right side
    8,815.54x = 69,043,301.84
  5. Step 5: Solve for x
    x = 69,043,301.84/8,815.54
  6. Step 6: Final answer
    x = 7,832.00

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