Finding the Fourth Proportional to 105,272.96, 157,912.32 and 35,149.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,272.96 : 157,912.32 = 35,149.76 : x
2. Step 2: Convert to fraction form
   105,272.96/157,912.32 = 35,149.76/x
3. Step 3: Cross multiply
   105,272.96x = 157,912.32 × 35,149.76
4. Step 4: Simplify right side
   105,272.96x = 5,550,579,359.48
5. Step 5: Solve for x
   x = 5,550,579,359.48/105,272.96
6. Step 6: Final answer
   x = 52,725.60