Finding the Fourth Proportional to 107,850.86, 148,790.34 and 71,569.41

Step by Step Solution

1. Step 1: Write the proportion equation
   107,850.86 : 148,790.34 = 71,569.41 : x
2. Step 2: Convert to fraction form
   107,850.86/148,790.34 = 71,569.41/x
3. Step 3: Cross multiply
   107,850.86x = 148,790.34 × 71,569.41
4. Step 4: Simplify right side
   107,850.86x = 10,648,836,847.50
5. Step 5: Solve for x
   x = 10,648,836,847.50/107,850.86
6. Step 6: Final answer
   x = 98,736.69