Finding the Fourth Proportional to 2,045.09, 2,822.72 and 1,161.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.09 : 2,822.72 = 1,161.41 : x
2. Step 2: Convert to fraction form
   2,045.09/2,822.72 = 1,161.41/x
3. Step 3: Cross multiply
   2,045.09x = 2,822.72 × 1,161.41
4. Step 4: Simplify right side
   2,045.09x = 3,278,315.31
5. Step 5: Solve for x
   x = 3,278,315.31/2,045.09
6. Step 6: Final answer
   x = 1,603.02