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Finding the Fourth Proportional to 205,811.40, 308,717.10 and 58,067.40

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Solution

The fourth proportional to 205,811.40, 308,717.10 and 58,067.40 is: 87,101.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,811.40 : 308,717.10 = 58,067.40 : x
  2. Step 2: Convert to fraction form
    205,811.40/308,717.10 = 58,067.40/x
  3. Step 3: Cross multiply
    205,811.40x = 308,717.10 × 58,067.40
  4. Step 4: Simplify right side
    205,811.40x = 17,926,399,332.54
  5. Step 5: Solve for x
    x = 17,926,399,332.54/205,811.40
  6. Step 6: Final answer
    x = 87,101.10

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