Finding the Fourth Proportional to 5,223.32, 7,205.46 and 4,229.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,223.32 : 7,205.46 = 4,229.72 : x
2. Step 2: Convert to fraction form
   5,223.32/7,205.46 = 4,229.72/x
3. Step 3: Cross multiply
   5,223.32x = 7,205.46 × 4,229.72
4. Step 4: Simplify right side
   5,223.32x = 30,477,078.27
5. Step 5: Solve for x
   x = 30,477,078.27/5,223.32
6. Step 6: Final answer
   x = 5,834.81