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Finding the Fourth Proportional to 77,673.18, 107,155.26 and 49,363.68

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Solution

The fourth proportional to 77,673.18, 107,155.26 and 49,363.68 is: 68,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.18 : 107,155.26 = 49,363.68 : x
  2. Step 2: Convert to fraction form
    77,673.18/107,155.26 = 49,363.68/x
  3. Step 3: Cross multiply
    77,673.18x = 107,155.26 × 49,363.68
  4. Step 4: Simplify right side
    77,673.18x = 5,289,577,964.96
  5. Step 5: Solve for x
    x = 5,289,577,964.96/77,673.18
  6. Step 6: Final answer
    x = 68,100.44

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