Finding the Fourth Proportional to 13,399.19, 18,493.72 and 8,552.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,399.19 : 18,493.72 = 8,552.96 : x
2. Step 2: Convert to fraction form
   13,399.19/18,493.72 = 8,552.96/x
3. Step 3: Cross multiply
   13,399.19x = 18,493.72 × 8,552.96
4. Step 4: Simplify right side
   13,399.19x = 158,175,933.56
5. Step 5: Solve for x
   x = 158,175,933.56/13,399.19
6. Step 6: Final answer
   x = 11,804.89