Finding the Fourth Proportional to 5,516.02, 8,315.37 and 5,149.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,516.02 : 8,315.37 = 5,149.42 : x
2. Step 2: Convert to fraction form
   5,516.02/8,315.37 = 5,149.42/x
3. Step 3: Cross multiply
   5,516.02x = 8,315.37 × 5,149.42
4. Step 4: Simplify right side
   5,516.02x = 42,819,332.59
5. Step 5: Solve for x
   x = 42,819,332.59/5,516.02
6. Step 6: Final answer
   x = 7,762.72