Finding the Fourth Proportional to 2,111.32, 3,167.42 and 650.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.32 : 3,167.42 = 650.44 : x
2. Step 2: Convert to fraction form
   2,111.32/3,167.42 = 650.44/x
3. Step 3: Cross multiply
   2,111.32x = 3,167.42 × 650.44
4. Step 4: Simplify right side
   2,111.32x = 2,060,216.66
5. Step 5: Solve for x
   x = 2,060,216.66/2,111.32
6. Step 6: Final answer
   x = 975.80