Finding the Fourth Proportional to 5,310.08, 7,925.34 and 5,222.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,310.08 : 7,925.34 = 5,222.49 : x
2. Step 2: Convert to fraction form
   5,310.08/7,925.34 = 5,222.49/x
3. Step 3: Cross multiply
   5,310.08x = 7,925.34 × 5,222.49
4. Step 4: Simplify right side
   5,310.08x = 41,389,982.78
5. Step 5: Solve for x
   x = 41,389,982.78/5,310.08
6. Step 6: Final answer
   x = 7,794.61