Finding the Fourth Proportional to 5,522.78, 7,622.10 and 3,164.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.78 : 7,622.10 = 3,164.91 : x
2. Step 2: Convert to fraction form
   5,522.78/7,622.10 = 3,164.91/x
3. Step 3: Cross multiply
   5,522.78x = 7,622.10 × 3,164.91
4. Step 4: Simplify right side
   5,522.78x = 24,123,231.93
5. Step 5: Solve for x
   x = 24,123,231.93/5,522.78
6. Step 6: Final answer
   x = 4,367.95