Finding the Fourth Proportional to 13,164.91, 18,168.02 and 7,196.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.91 : 18,168.02 = 7,196.46 : x
2. Step 2: Convert to fraction form
   13,164.91/18,168.02 = 7,196.46/x
3. Step 3: Cross multiply
   13,164.91x = 18,168.02 × 7,196.46
4. Step 4: Simplify right side
   13,164.91x = 130,745,429.21
5. Step 5: Solve for x
   x = 130,745,429.21/13,164.91
6. Step 6: Final answer
   x = 9,931.36