Finding the Fourth Proportional to 1,294.56, 1,784.52 and 796.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.56 : 1,784.52 = 796.86 : x
2. Step 2: Convert to fraction form
   1,294.56/1,784.52 = 796.86/x
3. Step 3: Cross multiply
   1,294.56x = 1,784.52 × 796.86
4. Step 4: Simplify right side
   1,294.56x = 1,422,012.61
5. Step 5: Solve for x
   x = 1,422,012.61/1,294.56
6. Step 6: Final answer
   x = 1,098.45