Finding the Fourth Proportional to 2,748.47, 4,123.38 and 800.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,748.47 : 4,123.38 = 800.69 : x
2. Step 2: Convert to fraction form
   2,748.47/4,123.38 = 800.69/x
3. Step 3: Cross multiply
   2,748.47x = 4,123.38 × 800.69
4. Step 4: Simplify right side
   2,748.47x = 3,301,549.13
5. Step 5: Solve for x
   x = 3,301,549.13/2,748.47
6. Step 6: Final answer
   x = 1,201.23