Finding the Fourth Proportional to 2,820.22, 3,888.17 and 2,314.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820.22 : 3,888.17 = 2,314.22 : x
2. Step 2: Convert to fraction form
   2,820.22/3,888.17 = 2,314.22/x
3. Step 3: Cross multiply
   2,820.22x = 3,888.17 × 2,314.22
4. Step 4: Simplify right side
   2,820.22x = 8,998,080.78
5. Step 5: Solve for x
   x = 8,998,080.78/2,820.22
6. Step 6: Final answer
   x = 3,190.56