Finding the Fourth Proportional to 5,989.31, 8,261.29 and 3,747.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,989.31 : 8,261.29 = 3,747.30 : x
2. Step 2: Convert to fraction form
   5,989.31/8,261.29 = 3,747.30/x
3. Step 3: Cross multiply
   5,989.31x = 8,261.29 × 3,747.30
4. Step 4: Simplify right side
   5,989.31x = 30,957,522.65
5. Step 5: Solve for x
   x = 30,957,522.65/5,989.31
6. Step 6: Final answer
   x = 5,168.79