Finding the Fourth Proportional to 2,111.17, 3,166.71 and 650.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.17 : 3,166.71 = 650.29 : x
2. Step 2: Convert to fraction form
   2,111.17/3,166.71 = 650.29/x
3. Step 3: Cross multiply
   2,111.17x = 3,166.71 × 650.29
4. Step 4: Simplify right side
   2,111.17x = 2,059,279.85
5. Step 5: Solve for x
   x = 2,059,279.85/2,111.17
6. Step 6: Final answer
   x = 975.42