Finding the Fourth Proportional to 13,164.68, 18,166.82 and 7,196.30

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.68 : 18,166.82 = 7,196.30 : x
2. Step 2: Convert to fraction form
   13,164.68/18,166.82 = 7,196.30/x
3. Step 3: Cross multiply
   13,164.68x = 18,166.82 × 7,196.30
4. Step 4: Simplify right side
   13,164.68x = 130,733,813.92
5. Step 5: Solve for x
   x = 130,733,813.92/13,164.68
6. Step 6: Final answer
   x = 9,930.65