Finding the Fourth Proportional to 2,111.82, 3,166.74 and 650.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.82 : 3,166.74 = 650.58 : x
2. Step 2: Convert to fraction form
   2,111.82/3,166.74 = 650.58/x
3. Step 3: Cross multiply
   2,111.82x = 3,166.74 × 650.58
4. Step 4: Simplify right side
   2,111.82x = 2,060,217.71
5. Step 5: Solve for x
   x = 2,060,217.71/2,111.82
6. Step 6: Final answer
   x = 975.57