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Finding the Fourth Proportional to 242,428.32, 363,808.48 and 84,656.80

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Solution

The fourth proportional to 242,428.32, 363,808.48 and 84,656.80 is: 127,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,428.32 : 363,808.48 = 84,656.80 : x
  2. Step 2: Convert to fraction form
    242,428.32/363,808.48 = 84,656.80/x
  3. Step 3: Cross multiply
    242,428.32x = 363,808.48 × 84,656.80
  4. Step 4: Simplify right side
    242,428.32x = 30,798,861,729.66
  5. Step 5: Solve for x
    x = 30,798,861,729.66/242,428.32
  6. Step 6: Final answer
    x = 127,043.17

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