Finding the Fourth Proportional to 7,411.72, 10,221.56 and 4,426.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,411.72 : 10,221.56 = 4,426.48 : x
2. Step 2: Convert to fraction form
   7,411.72/10,221.56 = 4,426.48/x
3. Step 3: Cross multiply
   7,411.72x = 10,221.56 × 4,426.48
4. Step 4: Simplify right side
   7,411.72x = 45,245,530.91
5. Step 5: Solve for x
   x = 45,245,530.91/7,411.72
6. Step 6: Final answer
   x = 6,104.59