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Finding the Fourth Proportional to 22,637.81, 31,240.72 and 12,701.81

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Solution

The fourth proportional to 22,637.81, 31,240.72 and 12,701.81 is: 17,528.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.81 : 31,240.72 = 12,701.81 : x
  2. Step 2: Convert to fraction form
    22,637.81/31,240.72 = 12,701.81/x
  3. Step 3: Cross multiply
    22,637.81x = 31,240.72 × 12,701.81
  4. Step 4: Simplify right side
    22,637.81x = 396,813,783.68
  5. Step 5: Solve for x
    x = 396,813,783.68/22,637.81
  6. Step 6: Final answer
    x = 17,528.80

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