Finding the Fourth Proportional to 10,398.54, 15,604.56 and 5,466.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,398.54 : 15,604.56 = 5,466.72 : x
2. Step 2: Convert to fraction form
   10,398.54/15,604.56 = 5,466.72/x
3. Step 3: Cross multiply
   10,398.54x = 15,604.56 × 5,466.72
4. Step 4: Simplify right side
   10,398.54x = 85,305,760.24
5. Step 5: Solve for x
   x = 85,305,760.24/10,398.54
6. Step 6: Final answer
   x = 8,203.63