Finding the Fourth Proportional to 5,589.57, 8,348.64 and 5,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,589.57 : 8,348.64 = 5,061.72 : x
2. Step 2: Convert to fraction form
   5,589.57/8,348.64 = 5,061.72/x
3. Step 3: Cross multiply
   5,589.57x = 8,348.64 × 5,061.72
4. Step 4: Simplify right side
   5,589.57x = 42,258,478.06
5. Step 5: Solve for x
   x = 42,258,478.06/5,589.57
6. Step 6: Final answer
   x = 7,560.24