Finding the Fourth Proportional to 2,111.93, 3,166.97 and 650.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.93 : 3,166.97 = 650.75 : x
2. Step 2: Convert to fraction form
   2,111.93/3,166.97 = 650.75/x
3. Step 3: Cross multiply
   2,111.93x = 3,166.97 × 650.75
4. Step 4: Simplify right side
   2,111.93x = 2,060,915.27
5. Step 5: Solve for x
   x = 2,060,915.27/2,111.93
6. Step 6: Final answer
   x = 975.85