Finding the Fourth Proportional to 942.78, 1,301.28 and 796.52

Step by Step Solution

1. Step 1: Write the proportion equation
   942.78 : 1,301.28 = 796.52 : x
2. Step 2: Convert to fraction form
   942.78/1,301.28 = 796.52/x
3. Step 3: Cross multiply
   942.78x = 1,301.28 × 796.52
4. Step 4: Simplify right side
   942.78x = 1,036,495.55
5. Step 5: Solve for x
   x = 1,036,495.55/942.78
6. Step 6: Final answer
   x = 1,099.40