Finding the Fourth Proportional to 1,266.78, 1,748.18 and 794.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,266.78 : 1,748.18 = 794.69 : x
2. Step 2: Convert to fraction form
   1,266.78/1,748.18 = 794.69/x
3. Step 3: Cross multiply
   1,266.78x = 1,748.18 × 794.69
4. Step 4: Simplify right side
   1,266.78x = 1,389,263.35
5. Step 5: Solve for x
   x = 1,389,263.35/1,266.78
6. Step 6: Final answer
   x = 1,096.69