Finding the Fourth Proportional to 2,081.88, 3,123.96 and 849.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.88 : 3,123.96 = 849.42 : x
2. Step 2: Convert to fraction form
   2,081.88/3,123.96 = 849.42/x
3. Step 3: Cross multiply
   2,081.88x = 3,123.96 × 849.42
4. Step 4: Simplify right side
   2,081.88x = 2,653,554.10
5. Step 5: Solve for x
   x = 2,653,554.10/2,081.88
6. Step 6: Final answer
   x = 1,274.60