Finding the Fourth Proportional to 2,622.78, 3,913.16 and 2,093.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.78 : 3,913.16 = 2,093.22 : x
2. Step 2: Convert to fraction form
   2,622.78/3,913.16 = 2,093.22/x
3. Step 3: Cross multiply
   2,622.78x = 3,913.16 × 2,093.22
4. Step 4: Simplify right side
   2,622.78x = 8,191,104.78
5. Step 5: Solve for x
   x = 8,191,104.78/2,622.78
6. Step 6: Final answer
   x = 3,123.06