Finding the Fourth Proportional to 13,164.92, 18,167.58 and 7,196.59

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.92 : 18,167.58 = 7,196.59 : x
2. Step 2: Convert to fraction form
   13,164.92/18,167.58 = 7,196.59/x
3. Step 3: Cross multiply
   13,164.92x = 18,167.58 × 7,196.59
4. Step 4: Simplify right side
   13,164.92x = 130,744,624.55
5. Step 5: Solve for x
   x = 130,744,624.55/13,164.92
6. Step 6: Final answer
   x = 9,931.29