Finding the Fourth Proportional to 16,028.50, 22,117.34 and 8,956.26

Step by Step Solution

1. Step 1: Write the proportion equation
   16,028.50 : 22,117.34 = 8,956.26 : x
2. Step 2: Convert to fraction form
   16,028.50/22,117.34 = 8,956.26/x
3. Step 3: Cross multiply
   16,028.50x = 22,117.34 × 8,956.26
4. Step 4: Simplify right side
   16,028.50x = 198,088,647.55
5. Step 5: Solve for x
   x = 198,088,647.55/16,028.50
6. Step 6: Final answer
   x = 12,358.53