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Finding the Fourth Proportional to 44,130.96, 66,196.40 and 12,966.21

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Solution

The fourth proportional to 44,130.96, 66,196.40 and 12,966.21 is: 19,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,130.96 : 66,196.40 = 12,966.21 : x
  2. Step 2: Convert to fraction form
    44,130.96/66,196.40 = 12,966.21/x
  3. Step 3: Cross multiply
    44,130.96x = 66,196.40 × 12,966.21
  4. Step 4: Simplify right side
    44,130.96x = 858,316,358.81
  5. Step 5: Solve for x
    x = 858,316,358.81/44,130.96
  6. Step 6: Final answer
    x = 19,449.30

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