Finding the Fourth Proportional to 3,902.82, 5,849.60 and 1,818.51

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.82 : 5,849.60 = 1,818.51 : x
2. Step 2: Convert to fraction form
   3,902.82/5,849.60 = 1,818.51/x
3. Step 3: Cross multiply
   3,902.82x = 5,849.60 × 1,818.51
4. Step 4: Simplify right side
   3,902.82x = 10,637,559.42
5. Step 5: Solve for x
   x = 10,637,559.42/3,902.82
6. Step 6: Final answer
   x = 2,725.61