Finding the Fourth Proportional to 5,440.72, 8,158.60 and 3,798

Step by Step Solution

1. Step 1: Write the proportion equation
   5,440.72 : 8,158.60 = 3,798 : x
2. Step 2: Convert to fraction form
   5,440.72/8,158.60 = 3,798/x
3. Step 3: Cross multiply
   5,440.72x = 8,158.60 × 3,798
4. Step 4: Simplify right side
   5,440.72x = 30,986,362.80
5. Step 5: Solve for x
   x = 30,986,362.80/5,440.72
6. Step 6: Final answer
   x = 5,695.27