Finding the Fourth Proportional to 1,419.05, 1,958.29 and 798.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,419.05 : 1,958.29 = 798.05 : x
2. Step 2: Convert to fraction form
   1,419.05/1,958.29 = 798.05/x
3. Step 3: Cross multiply
   1,419.05x = 1,958.29 × 798.05
4. Step 4: Simplify right side
   1,419.05x = 1,562,816.24
5. Step 5: Solve for x
   x = 1,562,816.24/1,419.05
6. Step 6: Final answer
   x = 1,101.31