Finding the Fourth Proportional to 1,357.80, 1,873.59 and 797.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.80 : 1,873.59 = 797.94 : x
2. Step 2: Convert to fraction form
   1,357.80/1,873.59 = 797.94/x
3. Step 3: Cross multiply
   1,357.80x = 1,873.59 × 797.94
4. Step 4: Simplify right side
   1,357.80x = 1,495,016.44
5. Step 5: Solve for x
   x = 1,495,016.44/1,357.80
6. Step 6: Final answer
   x = 1,101.05