Finding the Fourth Proportional to 2,111.41, 3,167.12 and 650.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.41 : 3,167.12 = 650.55 : x
2. Step 2: Convert to fraction form
   2,111.41/3,167.12 = 650.55/x
3. Step 3: Cross multiply
   2,111.41x = 3,167.12 × 650.55
4. Step 4: Simplify right side
   2,111.41x = 2,060,369.92
5. Step 5: Solve for x
   x = 2,060,369.92/2,111.41
6. Step 6: Final answer
   x = 975.83