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Finding the Fourth Proportional to 268,561.13, 402,841.79 and 68,881.51

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Solution

The fourth proportional to 268,561.13, 402,841.79 and 68,881.51 is: 103,322.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,561.13 : 402,841.79 = 68,881.51 : x
  2. Step 2: Convert to fraction form
    268,561.13/402,841.79 = 68,881.51/x
  3. Step 3: Cross multiply
    268,561.13x = 402,841.79 × 68,881.51
  4. Step 4: Simplify right side
    268,561.13x = 27,748,351,203.75
  5. Step 5: Solve for x
    x = 27,748,351,203.75/268,561.13
  6. Step 6: Final answer
    x = 103,322.29

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