Finding the Fourth Proportional to 140,182.39, 193,451.61 and 76,520.17

Step by Step Solution

1. Step 1: Write the proportion equation
   140,182.39 : 193,451.61 = 76,520.17 : x
2. Step 2: Convert to fraction form
   140,182.39/193,451.61 = 76,520.17/x
3. Step 3: Cross multiply
   140,182.39x = 193,451.61 × 76,520.17
4. Step 4: Simplify right side
   140,182.39x = 14,802,949,116.72
5. Step 5: Solve for x
   x = 14,802,949,116.72/140,182.39
6. Step 6: Final answer
   x = 105,597.78