Finding the Fourth Proportional to 8,504.78, 12,754.34 and 3,573.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,504.78 : 12,754.34 = 3,573.50 : x
2. Step 2: Convert to fraction form
   8,504.78/12,754.34 = 3,573.50/x
3. Step 3: Cross multiply
   8,504.78x = 12,754.34 × 3,573.50
4. Step 4: Simplify right side
   8,504.78x = 45,577,648.01
5. Step 5: Solve for x
   x = 45,577,648.01/8,504.78
6. Step 6: Final answer
   x = 5,359.06