Finding the Fourth Proportional to 5,570.56, 7,688.24 and 3,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,570.56 : 7,688.24 = 3,802.56 : x
2. Step 2: Convert to fraction form
   5,570.56/7,688.24 = 3,802.56/x
3. Step 3: Cross multiply
   5,570.56x = 7,688.24 × 3,802.56
4. Step 4: Simplify right side
   5,570.56x = 29,234,993.89
5. Step 5: Solve for x
   x = 29,234,993.89/5,570.56
6. Step 6: Final answer
   x = 5,248.12