Finding the Fourth Proportional to 2,111.74, 3,166.52 and 650.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.74 : 3,166.52 = 650.70 : x
2. Step 2: Convert to fraction form
   2,111.74/3,166.52 = 650.70/x
3. Step 3: Cross multiply
   2,111.74x = 3,166.52 × 650.70
4. Step 4: Simplify right side
   2,111.74x = 2,060,451.31
5. Step 5: Solve for x
   x = 2,060,451.31/2,111.74
6. Step 6: Final answer
   x = 975.71