Finding the Fourth Proportional to 16,266.64, 22,439.72 and 10,288.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,266.64 : 22,439.72 = 10,288.24 : x
2. Step 2: Convert to fraction form
   16,266.64/22,439.72 = 10,288.24/x
3. Step 3: Cross multiply
   16,266.64x = 22,439.72 × 10,288.24
4. Step 4: Simplify right side
   16,266.64x = 230,865,224.89
5. Step 5: Solve for x
   x = 230,865,224.89/16,266.64
6. Step 6: Final answer
   x = 14,192.56