Finding the Fourth Proportional to 8,490.76, 12,733.98 and 3,559.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,490.76 : 12,733.98 = 3,559.24 : x
2. Step 2: Convert to fraction form
   8,490.76/12,733.98 = 3,559.24/x
3. Step 3: Cross multiply
   8,490.76x = 12,733.98 × 3,559.24
4. Step 4: Simplify right side
   8,490.76x = 45,323,290.98
5. Step 5: Solve for x
   x = 45,323,290.98/8,490.76
6. Step 6: Final answer
   x = 5,337.95