Finding the Fourth Proportional to 2,081.06, 3,123.82 and 1,851.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.06 : 3,123.82 = 1,851.42 : x
2. Step 2: Convert to fraction form
   2,081.06/3,123.82 = 1,851.42/x
3. Step 3: Cross multiply
   2,081.06x = 3,123.82 × 1,851.42
4. Step 4: Simplify right side
   2,081.06x = 5,783,502.82
5. Step 5: Solve for x
   x = 5,783,502.82/2,081.06
6. Step 6: Final answer
   x = 2,779.11