Finding the Fourth Proportional to 2,411.12, 3,618.04 and 1,112.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.12 : 3,618.04 = 1,112.59 : x
2. Step 2: Convert to fraction form
   2,411.12/3,618.04 = 1,112.59/x
3. Step 3: Cross multiply
   2,411.12x = 3,618.04 × 1,112.59
4. Step 4: Simplify right side
   2,411.12x = 4,025,395.12
5. Step 5: Solve for x
   x = 4,025,395.12/2,411.12
6. Step 6: Final answer
   x = 1,669.51