Finding the Fourth Proportional to 1,357.38, 1,873.05 and 797.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.38 : 1,873.05 = 797.76 : x
2. Step 2: Convert to fraction form
   1,357.38/1,873.05 = 797.76/x
3. Step 3: Cross multiply
   1,357.38x = 1,873.05 × 797.76
4. Step 4: Simplify right side
   1,357.38x = 1,494,244.37
5. Step 5: Solve for x
   x = 1,494,244.37/1,357.38
6. Step 6: Final answer
   x = 1,100.83