Finding the Fourth Proportional to 2,411.25, 3,618.23 and 1,112.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,411.25 : 3,618.23 = 1,112.71 : x
2. Step 2: Convert to fraction form
   2,411.25/3,618.23 = 1,112.71/x
3. Step 3: Cross multiply
   2,411.25x = 3,618.23 × 1,112.71
4. Step 4: Simplify right side
   2,411.25x = 4,026,040.70
5. Step 5: Solve for x
   x = 4,026,040.70/2,411.25
6. Step 6: Final answer
   x = 1,669.69