Finding the Fourth Proportional to 2,056.72, 3,091.77 and 1,650.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.72 : 3,091.77 = 1,650.31 : x
2. Step 2: Convert to fraction form
   2,056.72/3,091.77 = 1,650.31/x
3. Step 3: Cross multiply
   2,056.72x = 3,091.77 × 1,650.31
4. Step 4: Simplify right side
   2,056.72x = 5,102,378.95
5. Step 5: Solve for x
   x = 5,102,378.95/2,056.72
6. Step 6: Final answer
   x = 2,480.83