Finding the Fourth Proportional to 2,945.97, 4,419.18 and 1,191.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.97 : 4,419.18 = 1,191.15 : x
2. Step 2: Convert to fraction form
   2,945.97/4,419.18 = 1,191.15/x
3. Step 3: Cross multiply
   2,945.97x = 4,419.18 × 1,191.15
4. Step 4: Simplify right side
   2,945.97x = 5,263,906.26
5. Step 5: Solve for x
   x = 5,263,906.26/2,945.97
6. Step 6: Final answer
   x = 1,786.82