Finding the Fourth Proportional to 2,397.20, 3,596.63 and 1,080.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.20 : 3,596.63 = 1,080.81 : x
2. Step 2: Convert to fraction form
   2,397.20/3,596.63 = 1,080.81/x
3. Step 3: Cross multiply
   2,397.20x = 3,596.63 × 1,080.81
4. Step 4: Simplify right side
   2,397.20x = 3,887,268.27
5. Step 5: Solve for x
   x = 3,887,268.27/2,397.20
6. Step 6: Final answer
   x = 1,621.59