Finding the Fourth Proportional to 2,399.58, 3,598.02 and 1,012.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.58 : 3,598.02 = 1,012.68 : x
2. Step 2: Convert to fraction form
   2,399.58/3,598.02 = 1,012.68/x
3. Step 3: Cross multiply
   2,399.58x = 3,598.02 × 1,012.68
4. Step 4: Simplify right side
   2,399.58x = 3,643,642.89
5. Step 5: Solve for x
   x = 3,643,642.89/2,399.58
6. Step 6: Final answer
   x = 1,518.45