Finding the Fourth Proportional to 123,976.38, 171,086.58 and 67,387.76

Step by Step Solution

1. Step 1: Write the proportion equation
   123,976.38 : 171,086.58 = 67,387.76 : x
2. Step 2: Convert to fraction form
   123,976.38/171,086.58 = 67,387.76/x
3. Step 3: Cross multiply
   123,976.38x = 171,086.58 × 67,387.76
4. Step 4: Simplify right side
   123,976.38x = 11,529,140,536.83
5. Step 5: Solve for x
   x = 11,529,140,536.83/123,976.38
6. Step 6: Final answer
   x = 92,994.65