Finding the Fourth Proportional to 13,164.74, 18,167.30 and 7,196.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.74 : 18,167.30 = 7,196.41 : x
2. Step 2: Convert to fraction form
   13,164.74/18,167.30 = 7,196.41/x
3. Step 3: Cross multiply
   13,164.74x = 18,167.30 × 7,196.41
4. Step 4: Simplify right side
   13,164.74x = 130,739,339.39
5. Step 5: Solve for x
   x = 130,739,339.39/13,164.74
6. Step 6: Final answer
   x = 9,931.02