Finding the Fourth Proportional to 2,650.97, 3,976.49 and 802.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,650.97 : 3,976.49 = 802.10 : x
2. Step 2: Convert to fraction form
   2,650.97/3,976.49 = 802.10/x
3. Step 3: Cross multiply
   2,650.97x = 3,976.49 × 802.10
4. Step 4: Simplify right side
   2,650.97x = 3,189,518.74
5. Step 5: Solve for x
   x = 3,189,518.74/2,650.97
6. Step 6: Final answer
   x = 1,203.15