Finding the Fourth Proportional to 75,300.57, 103,915.59 and 41,309.12

Step by Step Solution

1. Step 1: Write the proportion equation
   75,300.57 : 103,915.59 = 41,309.12 : x
2. Step 2: Convert to fraction form
   75,300.57/103,915.59 = 41,309.12/x
3. Step 3: Cross multiply
   75,300.57x = 103,915.59 × 41,309.12
4. Step 4: Simplify right side
   75,300.57x = 4,292,661,057.60
5. Step 5: Solve for x
   x = 4,292,661,057.60/75,300.57
6. Step 6: Final answer
   x = 57,007.02