Finding the Fourth Proportional to 3,660.16, 5,489.92 and 1,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.16 : 5,489.92 = 1,062.72 : x
2. Step 2: Convert to fraction form
   3,660.16/5,489.92 = 1,062.72/x
3. Step 3: Cross multiply
   3,660.16x = 5,489.92 × 1,062.72
4. Step 4: Simplify right side
   3,660.16x = 5,834,247.78
5. Step 5: Solve for x
   x = 5,834,247.78/3,660.16
6. Step 6: Final answer
   x = 1,593.99