Finding the Fourth Proportional to 8,573.60, 12,824.84 and 8,048.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,573.60 : 12,824.84 = 8,048.72 : x
2. Step 2: Convert to fraction form
   8,573.60/12,824.84 = 8,048.72/x
3. Step 3: Cross multiply
   8,573.60x = 12,824.84 × 8,048.72
4. Step 4: Simplify right side
   8,573.60x = 103,223,546.20
5. Step 5: Solve for x
   x = 103,223,546.20/8,573.60
6. Step 6: Final answer
   x = 12,039.70