Finding the Fourth Proportional to 1,357.35, 1,872.89 and 797.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.35 : 1,872.89 = 797.84 : x
2. Step 2: Convert to fraction form
   1,357.35/1,872.89 = 797.84/x
3. Step 3: Cross multiply
   1,357.35x = 1,872.89 × 797.84
4. Step 4: Simplify right side
   1,357.35x = 1,494,273.23
5. Step 5: Solve for x
   x = 1,494,273.23/1,357.35
6. Step 6: Final answer
   x = 1,100.88