Finding the Fourth Proportional to 105,694.88, 158,540.72 and 25,733.60

Step by Step Solution

1. Step 1: Write the proportion equation
   105,694.88 : 158,540.72 = 25,733.60 : x
2. Step 2: Convert to fraction form
   105,694.88/158,540.72 = 25,733.60/x
3. Step 3: Cross multiply
   105,694.88x = 158,540.72 × 25,733.60
4. Step 4: Simplify right side
   105,694.88x = 4,079,823,472.19
5. Step 5: Solve for x
   x = 4,079,823,472.19/105,694.88
6. Step 6: Final answer
   x = 38,600.01