Finding the Fourth Proportional to 1,936.82, 2,671.45 and 1,191.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,936.82 : 2,671.45 = 1,191.19 : x
2. Step 2: Convert to fraction form
   1,936.82/2,671.45 = 1,191.19/x
3. Step 3: Cross multiply
   1,936.82x = 2,671.45 × 1,191.19
4. Step 4: Simplify right side
   1,936.82x = 3,182,204.53
5. Step 5: Solve for x
   x = 3,182,204.53/1,936.82
6. Step 6: Final answer
   x = 1,643.00