Finding the Fourth Proportional to 2,748.33, 4,123.22 and 800.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.33 : 4,123.22 = 800.55 : x
2. Step 2: Convert to fraction form
   2,748.33/4,123.22 = 800.55/x
3. Step 3: Cross multiply
   2,748.33x = 4,123.22 × 800.55
4. Step 4: Simplify right side
   2,748.33x = 3,300,839.77
5. Step 5: Solve for x
   x = 3,300,839.77/2,748.33
6. Step 6: Final answer
   x = 1,201.03