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Finding the Fourth Proportional to 268,755.75, 403,191.93 and 81,762.39

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Solution

The fourth proportional to 268,755.75, 403,191.93 and 81,762.39 is: 122,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,755.75 : 403,191.93 = 81,762.39 : x
  2. Step 2: Convert to fraction form
    268,755.75/403,191.93 = 81,762.39/x
  3. Step 3: Cross multiply
    268,755.75x = 403,191.93 × 81,762.39
  4. Step 4: Simplify right side
    268,755.75x = 32,965,935,825.51
  5. Step 5: Solve for x
    x = 32,965,935,825.51/268,755.75
  6. Step 6: Final answer
    x = 122,661.32

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