Finding the Fourth Proportional to 2,045.22, 2,822.56 and 1,161.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.22 : 2,822.56 = 1,161.10 : x
2. Step 2: Convert to fraction form
   2,045.22/2,822.56 = 1,161.10/x
3. Step 3: Cross multiply
   2,045.22x = 2,822.56 × 1,161.10
4. Step 4: Simplify right side
   2,045.22x = 3,277,274.42
5. Step 5: Solve for x
   x = 3,277,274.42/2,045.22
6. Step 6: Final answer
   x = 1,602.41