Finding the Fourth Proportional to 35,863.20, 49,500.72 and 25,257.60

Step by Step Solution

1. Step 1: Write the proportion equation
   35,863.20 : 49,500.72 = 25,257.60 : x
2. Step 2: Convert to fraction form
   35,863.20/49,500.72 = 25,257.60/x
3. Step 3: Cross multiply
   35,863.20x = 49,500.72 × 25,257.60
4. Step 4: Simplify right side
   35,863.20x = 1,250,269,385.47
5. Step 5: Solve for x
   x = 1,250,269,385.47/35,863.20
6. Step 6: Final answer
   x = 34,862.18