Finding the Fourth Proportional to 7,229.58, 10,842.72 and 4,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,229.58 : 10,842.72 = 4,308.72 : x
2. Step 2: Convert to fraction form
   7,229.58/10,842.72 = 4,308.72/x
3. Step 3: Cross multiply
   7,229.58x = 10,842.72 × 4,308.72
4. Step 4: Simplify right side
   7,229.58x = 46,718,244.52
5. Step 5: Solve for x
   x = 46,718,244.52/7,229.58
6. Step 6: Final answer
   x = 6,462.10