Finding the Fourth Proportional to 2,397.79, 3,595.98 and 1,080.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,397.79 : 3,595.98 = 1,080.79 : x
2. Step 2: Convert to fraction form
   2,397.79/3,595.98 = 1,080.79/x
3. Step 3: Cross multiply
   2,397.79x = 3,595.98 × 1,080.79
4. Step 4: Simplify right side
   2,397.79x = 3,886,499.22
5. Step 5: Solve for x
   x = 3,886,499.22/2,397.79
6. Step 6: Final answer
   x = 1,620.87