Finding the Fourth Proportional to 7,287.63, 10,057.35 and 5,516.16

Step by Step Solution

1. Step 1: Write the proportion equation
   7,287.63 : 10,057.35 = 5,516.16 : x
2. Step 2: Convert to fraction form
   7,287.63/10,057.35 = 5,516.16/x
3. Step 3: Cross multiply
   7,287.63x = 10,057.35 × 5,516.16
4. Step 4: Simplify right side
   7,287.63x = 55,477,951.78
5. Step 5: Solve for x
   x = 55,477,951.78/7,287.63
6. Step 6: Final answer
   x = 7,612.62