Finding the Fourth Proportional to 13,504.29, 18,633.12 and 8,196.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,504.29 : 18,633.12 = 8,196.15 : x
2. Step 2: Convert to fraction form
   13,504.29/18,633.12 = 8,196.15/x
3. Step 3: Cross multiply
   13,504.29x = 18,633.12 × 8,196.15
4. Step 4: Simplify right side
   13,504.29x = 152,719,846.49
5. Step 5: Solve for x
   x = 152,719,846.49/13,504.29
6. Step 6: Final answer
   x = 11,308.99