Finding the Fourth Proportional to 5,158.16, 7,730.76 and 3,700.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,158.16 : 7,730.76 = 3,700.16 : x
2. Step 2: Convert to fraction form
   5,158.16/7,730.76 = 3,700.16/x
3. Step 3: Cross multiply
   5,158.16x = 7,730.76 × 3,700.16
4. Step 4: Simplify right side
   5,158.16x = 28,605,048.92
5. Step 5: Solve for x
   x = 28,605,048.92/5,158.16
6. Step 6: Final answer
   x = 5,545.59