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Finding the Fourth Proportional to 10,369.28, 15,551.79 and 2,972.10

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Solution

The fourth proportional to 10,369.28, 15,551.79 and 2,972.10 is: 4,457.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.28 : 15,551.79 = 2,972.10 : x
  2. Step 2: Convert to fraction form
    10,369.28/15,551.79 = 2,972.10/x
  3. Step 3: Cross multiply
    10,369.28x = 15,551.79 × 2,972.10
  4. Step 4: Simplify right side
    10,369.28x = 46,221,460.32
  5. Step 5: Solve for x
    x = 46,221,460.32/10,369.28
  6. Step 6: Final answer
    x = 4,457.54

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