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Finding the Fourth Proportional to 8,949.64, 13,428.08 and 4,015.84

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Solution

The fourth proportional to 8,949.64, 13,428.08 and 4,015.84 is: 6,025.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.64 : 13,428.08 = 4,015.84 : x
  2. Step 2: Convert to fraction form
    8,949.64/13,428.08 = 4,015.84/x
  3. Step 3: Cross multiply
    8,949.64x = 13,428.08 × 4,015.84
  4. Step 4: Simplify right side
    8,949.64x = 53,925,020.79
  5. Step 5: Solve for x
    x = 53,925,020.79/8,949.64
  6. Step 6: Final answer
    x = 6,025.38

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