Finding the Fourth Proportional to 2,398.91, 3,597.67 and 1,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.91 : 3,597.67 = 1,012.56 : x
2. Step 2: Convert to fraction form
   2,398.91/3,597.67 = 1,012.56/x
3. Step 3: Cross multiply
   2,398.91x = 3,597.67 × 1,012.56
4. Step 4: Simplify right side
   2,398.91x = 3,642,856.74
5. Step 5: Solve for x
   x = 3,642,856.74/2,398.91
6. Step 6: Final answer
   x = 1,518.55