Finding the Fourth Proportional to 2,045.72, 2,823.22 and 1,161.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.72 : 2,823.22 = 1,161.58 : x
2. Step 2: Convert to fraction form
   2,045.72/2,823.22 = 1,161.58/x
3. Step 3: Cross multiply
   2,045.72x = 2,823.22 × 1,161.58
4. Step 4: Simplify right side
   2,045.72x = 3,279,395.89
5. Step 5: Solve for x
   x = 3,279,395.89/2,045.72
6. Step 6: Final answer
   x = 1,603.05