Finding the Fourth Proportional to 13,165.62, 18,167.82 and 7,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   13,165.62 : 18,167.82 = 7,196.10 : x
2. Step 2: Convert to fraction form
   13,165.62/18,167.82 = 7,196.10/x
3. Step 3: Cross multiply
   13,165.62x = 18,167.82 × 7,196.10
4. Step 4: Simplify right side
   13,165.62x = 130,737,449.50
5. Step 5: Solve for x
   x = 130,737,449.50/13,165.62
6. Step 6: Final answer
   x = 9,930.22