Finding the Fourth Proportional to 2,399.22, 3,597.30 and 1,012.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.22 : 3,597.30 = 1,012.18 : x
2. Step 2: Convert to fraction form
   2,399.22/3,597.30 = 1,012.18/x
3. Step 3: Cross multiply
   2,399.22x = 3,597.30 × 1,012.18
4. Step 4: Simplify right side
   2,399.22x = 3,641,115.11
5. Step 5: Solve for x
   x = 3,641,115.11/2,399.22
6. Step 6: Final answer
   x = 1,517.62