Finding the Fourth Proportional to 2,808.05, 3,873.01 and 2,061.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,808.05 : 3,873.01 = 2,061.77 : x
2. Step 2: Convert to fraction form
   2,808.05/3,873.01 = 2,061.77/x
3. Step 3: Cross multiply
   2,808.05x = 3,873.01 × 2,061.77
4. Step 4: Simplify right side
   2,808.05x = 7,985,255.83
5. Step 5: Solve for x
   x = 7,985,255.83/2,808.05
6. Step 6: Final answer
   x = 2,843.70