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Finding the Fourth Proportional to 39,602.58, 54,651.06 and 21,696.54

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Solution

The fourth proportional to 39,602.58, 54,651.06 and 21,696.54 is: 29,940.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,602.58 : 54,651.06 = 21,696.54 : x
  2. Step 2: Convert to fraction form
    39,602.58/54,651.06 = 21,696.54/x
  3. Step 3: Cross multiply
    39,602.58x = 54,651.06 × 21,696.54
  4. Step 4: Simplify right side
    39,602.58x = 1,185,738,909.33
  5. Step 5: Solve for x
    x = 1,185,738,909.33/39,602.58
  6. Step 6: Final answer
    x = 29,940.95

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