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Finding the Fourth Proportional to 259,032.69, 388,570.90 and 72,044.19

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Solution

The fourth proportional to 259,032.69, 388,570.90 and 72,044.19 is: 108,072.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,032.69 : 388,570.90 = 72,044.19 : x
  2. Step 2: Convert to fraction form
    259,032.69/388,570.90 = 72,044.19/x
  3. Step 3: Cross multiply
    259,032.69x = 388,570.90 × 72,044.19
  4. Step 4: Simplify right side
    259,032.69x = 27,994,275,748.07
  5. Step 5: Solve for x
    x = 27,994,275,748.07/259,032.69
  6. Step 6: Final answer
    x = 108,072.37

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