Finding the Fourth Proportional to 5,606.29, 7,728.60 and 3,922.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,606.29 : 7,728.60 = 3,922.48 : x
2. Step 2: Convert to fraction form
   5,606.29/7,728.60 = 3,922.48/x
3. Step 3: Cross multiply
   5,606.29x = 7,728.60 × 3,922.48
4. Step 4: Simplify right side
   5,606.29x = 30,315,278.93
5. Step 5: Solve for x
   x = 30,315,278.93/5,606.29
6. Step 6: Final answer
   x = 5,407.37