Finding the Fourth Proportional to 5,560.72, 7,680.15 and 3,789.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,560.72 : 7,680.15 = 3,789.25 : x
2. Step 2: Convert to fraction form
   5,560.72/7,680.15 = 3,789.25/x
3. Step 3: Cross multiply
   5,560.72x = 7,680.15 × 3,789.25
4. Step 4: Simplify right side
   5,560.72x = 29,101,989.19
5. Step 5: Solve for x
   x = 29,101,989.19/5,560.72
6. Step 6: Final answer
   x = 5,233.50