Finding the Fourth Proportional to 13,062.72, 18,017.92 and 8,352.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,062.72 : 18,017.92 = 8,352.96 : x
2. Step 2: Convert to fraction form
   13,062.72/18,017.92 = 8,352.96/x
3. Step 3: Cross multiply
   13,062.72x = 18,017.92 × 8,352.96
4. Step 4: Simplify right side
   13,062.72x = 150,502,965.04
5. Step 5: Solve for x
   x = 150,502,965.04/13,062.72
6. Step 6: Final answer
   x = 11,521.56