Finding the Fourth Proportional to 5,520.28, 7,622.86 and 3,756.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,520.28 : 7,622.86 = 3,756.10 : x
2. Step 2: Convert to fraction form
   5,520.28/7,622.86 = 3,756.10/x
3. Step 3: Cross multiply
   5,520.28x = 7,622.86 × 3,756.10
4. Step 4: Simplify right side
   5,520.28x = 28,632,224.45
5. Step 5: Solve for x
   x = 28,632,224.45/5,520.28
6. Step 6: Final answer
   x = 5,186.73