Finding the Fourth Proportional to 3,921.30, 5,909.14 and 3,552.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,921.30 : 5,909.14 = 3,552.24 : x
2. Step 2: Convert to fraction form
   3,921.30/5,909.14 = 3,552.24/x
3. Step 3: Cross multiply
   3,921.30x = 5,909.14 × 3,552.24
4. Step 4: Simplify right side
   3,921.30x = 20,990,683.47
5. Step 5: Solve for x
   x = 20,990,683.47/3,921.30
6. Step 6: Final answer
   x = 5,352.99