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Finding the Fourth Proportional to 73,862.74, 102,618.71 and 72,977.00

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Solution

The fourth proportional to 73,862.74, 102,618.71 and 72,977.00 is: 101,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.74 : 102,618.71 = 72,977.00 : x
  2. Step 2: Convert to fraction form
    73,862.74/102,618.71 = 72,977.00/x
  3. Step 3: Cross multiply
    73,862.74x = 102,618.71 × 72,977.00
  4. Step 4: Simplify right side
    73,862.74x = 7,488,805,675.21
  5. Step 5: Solve for x
    x = 7,488,805,675.21/73,862.74
  6. Step 6: Final answer
    x = 101,388.14

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