Finding the Fourth Proportional to 2,748.72, 4,123.76 and 800.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.72 : 4,123.76 = 800.94 : x
2. Step 2: Convert to fraction form
   2,748.72/4,123.76 = 800.94/x
3. Step 3: Cross multiply
   2,748.72x = 4,123.76 × 800.94
4. Step 4: Simplify right side
   2,748.72x = 3,302,884.33
5. Step 5: Solve for x
   x = 3,302,884.33/2,748.72
6. Step 6: Final answer
   x = 1,201.61