Finding the Fourth Proportional to 2,111.10, 3,167.16 and 650.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.10 : 3,167.16 = 650.28 : x
2. Step 2: Convert to fraction form
   2,111.10/3,167.16 = 650.28/x
3. Step 3: Cross multiply
   2,111.10x = 3,167.16 × 650.28
4. Step 4: Simplify right side
   2,111.10x = 2,059,540.80
5. Step 5: Solve for x
   x = 2,059,540.80/2,111.10
6. Step 6: Final answer
   x = 975.58