Finding the Fourth Proportional to 2,748.69, 4,122.63 and 800.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.69 : 4,122.63 = 800.37 : x
2. Step 2: Convert to fraction form
   2,748.69/4,122.63 = 800.37/x
3. Step 3: Cross multiply
   2,748.69x = 4,122.63 × 800.37
4. Step 4: Simplify right side
   2,748.69x = 3,299,629.37
5. Step 5: Solve for x
   x = 3,299,629.37/2,748.69
6. Step 6: Final answer
   x = 1,200.44