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Finding the Fourth Proportional to 54,725.07, 82,087.62 and 13,172.07

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Solution

The fourth proportional to 54,725.07, 82,087.62 and 13,172.07 is: 19,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,725.07 : 82,087.62 = 13,172.07 : x
  2. Step 2: Convert to fraction form
    54,725.07/82,087.62 = 13,172.07/x
  3. Step 3: Cross multiply
    54,725.07x = 82,087.62 × 13,172.07
  4. Step 4: Simplify right side
    54,725.07x = 1,081,263,876.77
  5. Step 5: Solve for x
    x = 1,081,263,876.77/54,725.07
  6. Step 6: Final answer
    x = 19,758.11

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