Finding the Fourth Proportional to 5,522.10, 7,620.71 and 3,164.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.10 : 7,620.71 = 3,164.70 : x
2. Step 2: Convert to fraction form
   5,522.10/7,620.71 = 3,164.70/x
3. Step 3: Cross multiply
   5,522.10x = 7,620.71 × 3,164.70
4. Step 4: Simplify right side
   5,522.10x = 24,117,255.37
5. Step 5: Solve for x
   x = 24,117,255.37/5,522.10
6. Step 6: Final answer
   x = 4,367.40