Finding the Fourth Proportional to 105,240.47, 157,862.05 and 35,119.78

Step by Step Solution

1. Step 1: Write the proportion equation
   105,240.47 : 157,862.05 = 35,119.78 : x
2. Step 2: Convert to fraction form
   105,240.47/157,862.05 = 35,119.78/x
3. Step 3: Cross multiply
   105,240.47x = 157,862.05 × 35,119.78
4. Step 4: Simplify right side
   105,240.47x = 5,544,079,983.89
5. Step 5: Solve for x
   x = 5,544,079,983.89/105,240.47
6. Step 6: Final answer
   x = 52,680.12