Finding the Fourth Proportional to 5,538.17, 7,639.98 and 3,298.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.17 : 7,639.98 = 3,298.52 : x
2. Step 2: Convert to fraction form
   5,538.17/7,639.98 = 3,298.52/x
3. Step 3: Cross multiply
   5,538.17x = 7,639.98 × 3,298.52
4. Step 4: Simplify right side
   5,538.17x = 25,200,626.83
5. Step 5: Solve for x
   x = 25,200,626.83/5,538.17
6. Step 6: Final answer
   x = 4,550.35