Finding the Fourth Proportional to 13,164.41, 18,168.13 and 7,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.41 : 18,168.13 = 7,196.96 : x
2. Step 2: Convert to fraction form
   13,164.41/18,168.13 = 7,196.96/x
3. Step 3: Cross multiply
   13,164.41x = 18,168.13 × 7,196.96
4. Step 4: Simplify right side
   13,164.41x = 130,755,359.30
5. Step 5: Solve for x
   x = 130,755,359.30/13,164.41
6. Step 6: Final answer
   x = 9,932.49