Finding the Fourth Proportional to 5,499.18, 8,251.61 and 3,651.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,499.18 : 8,251.61 = 3,651.57 : x
2. Step 2: Convert to fraction form
   5,499.18/8,251.61 = 3,651.57/x
3. Step 3: Cross multiply
   5,499.18x = 8,251.61 × 3,651.57
4. Step 4: Simplify right side
   5,499.18x = 30,131,313.27
5. Step 5: Solve for x
   x = 30,131,313.27/5,499.18
6. Step 6: Final answer
   x = 5,479.24