Finding the Fourth Proportional to 13,164.32, 18,167.15 and 7,196.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,164.32 : 18,167.15 = 7,196.34 : x
2. Step 2: Convert to fraction form
   13,164.32/18,167.15 = 7,196.34/x
3. Step 3: Cross multiply
   13,164.32x = 18,167.15 × 7,196.34
4. Step 4: Simplify right side
   13,164.32x = 130,737,074.35
5. Step 5: Solve for x
   x = 130,737,074.35/13,164.32
6. Step 6: Final answer
   x = 9,931.17