Finding the Fourth Proportional to 2,399.42, 3,597.59 and 1,012.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.42 : 3,597.59 = 1,012.38 : x
2. Step 2: Convert to fraction form
   2,399.42/3,597.59 = 1,012.38/x
3. Step 3: Cross multiply
   2,399.42x = 3,597.59 × 1,012.38
4. Step 4: Simplify right side
   2,399.42x = 3,642,110.18
5. Step 5: Solve for x
   x = 3,642,110.18/2,399.42
6. Step 6: Final answer
   x = 1,517.92