Finding the Fourth Proportional to 2,111.92, 3,168.50 and 651.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.92 : 3,168.50 = 651.29 : x
2. Step 2: Convert to fraction form
   2,111.92/3,168.50 = 651.29/x
3. Step 3: Cross multiply
   2,111.92x = 3,168.50 × 651.29
4. Step 4: Simplify right side
   2,111.92x = 2,063,612.37
5. Step 5: Solve for x
   x = 2,063,612.37/2,111.92
6. Step 6: Final answer
   x = 977.13