Finding the Fourth Proportional to 2,804.22, 3,869.01 and 2,213.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,804.22 : 3,869.01 = 2,213.82 : x
2. Step 2: Convert to fraction form
   2,804.22/3,869.01 = 2,213.82/x
3. Step 3: Cross multiply
   2,804.22x = 3,869.01 × 2,213.82
4. Step 4: Simplify right side
   2,804.22x = 8,565,291.72
5. Step 5: Solve for x
   x = 8,565,291.72/2,804.22
6. Step 6: Final answer
   x = 3,054.43