Finding the Fourth Proportional to 1,034.52, 1,428.86 and 796.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.52 : 1,428.86 = 796.78 : x
2. Step 2: Convert to fraction form
   1,034.52/1,428.86 = 796.78/x
3. Step 3: Cross multiply
   1,034.52x = 1,428.86 × 796.78
4. Step 4: Simplify right side
   1,034.52x = 1,138,487.07
5. Step 5: Solve for x
   x = 1,138,487.07/1,034.52
6. Step 6: Final answer
   x = 1,100.50