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Finding the Fourth Proportional to 209,906.24, 314,860.77 and 76,731.71

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Solution

The fourth proportional to 209,906.24, 314,860.77 and 76,731.71 is: 115,098.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,906.24 : 314,860.77 = 76,731.71 : x
  2. Step 2: Convert to fraction form
    209,906.24/314,860.77 = 76,731.71/x
  3. Step 3: Cross multiply
    209,906.24x = 314,860.77 × 76,731.71
  4. Step 4: Simplify right side
    209,906.24x = 24,159,803,719.71
  5. Step 5: Solve for x
    x = 24,159,803,719.71/209,906.24
  6. Step 6: Final answer
    x = 115,098.08

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