Finding the Fourth Proportional to 74,639.88, 103,007.72 and 41,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   74,639.88 : 103,007.72 = 41,105.88 : x
2. Step 2: Convert to fraction form
   74,639.88/103,007.72 = 41,105.88/x
3. Step 3: Cross multiply
   74,639.88x = 103,007.72 × 41,105.88
4. Step 4: Simplify right side
   74,639.88x = 4,234,222,977.39
5. Step 5: Solve for x
   x = 4,234,222,977.39/74,639.88
6. Step 6: Final answer
   x = 56,728.69