Finding the Fourth Proportional to 88,880.39, 133,300.84 and 25,686.72

Step by Step Solution

1. Step 1: Write the proportion equation
   88,880.39 : 133,300.84 = 25,686.72 : x
2. Step 2: Convert to fraction form
   88,880.39/133,300.84 = 25,686.72/x
3. Step 3: Cross multiply
   88,880.39x = 133,300.84 × 25,686.72
4. Step 4: Simplify right side
   88,880.39x = 3,424,061,336.79
5. Step 5: Solve for x
   x = 3,424,061,336.79/88,880.39
6. Step 6: Final answer
   x = 38,524.37