Finding the Fourth Proportional to 105,133.80, 157,725.84 and 35,013.72

Step by Step Solution

1. Step 1: Write the proportion equation
   105,133.80 : 157,725.84 = 35,013.72 : x
2. Step 2: Convert to fraction form
   105,133.80/157,725.84 = 35,013.72/x
3. Step 3: Cross multiply
   105,133.80x = 157,725.84 × 35,013.72
4. Step 4: Simplify right side
   105,133.80x = 5,522,568,398.52
5. Step 5: Solve for x
   x = 5,522,568,398.52/105,133.80
6. Step 6: Final answer
   x = 52,528.95