Finding the Fourth Proportional to 3,900.42, 5,852.66 and 1,819.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.42 : 5,852.66 = 1,819.82 : x
2. Step 2: Convert to fraction form
   3,900.42/5,852.66 = 1,819.82/x
3. Step 3: Cross multiply
   3,900.42x = 5,852.66 × 1,819.82
4. Step 4: Simplify right side
   3,900.42x = 10,650,793.25
5. Step 5: Solve for x
   x = 10,650,793.25/3,900.42
6. Step 6: Final answer
   x = 2,730.68