Finding the Fourth Proportional to 2,648.94, 3,973.43 and 800.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,648.94 : 3,973.43 = 800.07 : x
2. Step 2: Convert to fraction form
   2,648.94/3,973.43 = 800.07/x
3. Step 3: Cross multiply
   2,648.94x = 3,973.43 × 800.07
4. Step 4: Simplify right side
   2,648.94x = 3,179,002.27
5. Step 5: Solve for x
   x = 3,179,002.27/2,648.94
6. Step 6: Final answer
   x = 1,200.11