Finding the Fourth Proportional to 12,061.28, 16,627.44 and 8,868.96

Step by Step Solution

1. Step 1: Write the proportion equation
   12,061.28 : 16,627.44 = 8,868.96 : x
2. Step 2: Convert to fraction form
   12,061.28/16,627.44 = 8,868.96/x
3. Step 3: Cross multiply
   12,061.28x = 16,627.44 × 8,868.96
4. Step 4: Simplify right side
   12,061.28x = 147,468,100.26
5. Step 5: Solve for x
   x = 147,468,100.26/12,061.28
6. Step 6: Final answer
   x = 12,226.57