Finding the Fourth Proportional to 2,804.10, 3,870.63 and 1,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.10 : 3,870.63 = 1,922.82 : x
2. Step 2: Convert to fraction form
   2,804.10/3,870.63 = 1,922.82/x
3. Step 3: Cross multiply
   2,804.10x = 3,870.63 × 1,922.82
4. Step 4: Simplify right side
   2,804.10x = 7,442,524.78
5. Step 5: Solve for x
   x = 7,442,524.78/2,804.10
6. Step 6: Final answer
   x = 2,654.16