Finding the Fourth Proportional to 2,398.86, 3,599.16 and 1,012.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.86 : 3,599.16 = 1,012.54 : x
2. Step 2: Convert to fraction form
   2,398.86/3,599.16 = 1,012.54/x
3. Step 3: Cross multiply
   2,398.86x = 3,599.16 × 1,012.54
4. Step 4: Simplify right side
   2,398.86x = 3,644,293.47
5. Step 5: Solve for x
   x = 3,644,293.47/2,398.86
6. Step 6: Final answer
   x = 1,519.18