Finding the Fourth Proportional to 1,933.38, 2,891.82 and 1,191.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,933.38 : 2,891.82 = 1,191.15 : x
2. Step 2: Convert to fraction form
   1,933.38/2,891.82 = 1,191.15/x
3. Step 3: Cross multiply
   1,933.38x = 2,891.82 × 1,191.15
4. Step 4: Simplify right side
   1,933.38x = 3,444,591.39
5. Step 5: Solve for x
   x = 3,444,591.39/1,933.38
6. Step 6: Final answer
   x = 1,781.64