Finding the Fourth Proportional to 2,081.13, 2,872.05 and 1,196.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.13 : 2,872.05 = 1,196.94 : x
2. Step 2: Convert to fraction form
   2,081.13/2,872.05 = 1,196.94/x
3. Step 3: Cross multiply
   2,081.13x = 2,872.05 × 1,196.94
4. Step 4: Simplify right side
   2,081.13x = 3,437,671.53
5. Step 5: Solve for x
   x = 3,437,671.53/2,081.13
6. Step 6: Final answer
   x = 1,651.83