Finding the Fourth Proportional to 75,112.07, 103,654.71 and 41,120.78

Step by Step Solution

1. Step 1: Write the proportion equation
   75,112.07 : 103,654.71 = 41,120.78 : x
2. Step 2: Convert to fraction form
   75,112.07/103,654.71 = 41,120.78/x
3. Step 3: Cross multiply
   75,112.07x = 103,654.71 × 41,120.78
4. Step 4: Simplify right side
   75,112.07x = 4,262,362,007.60
5. Step 5: Solve for x
   x = 4,262,362,007.60/75,112.07
6. Step 6: Final answer
   x = 56,746.70