Finding the Fourth Proportional to 16,147.39, 22,274.28 and 10,168.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,147.39 : 22,274.28 = 10,168.78 : x
2. Step 2: Convert to fraction form
   16,147.39/22,274.28 = 10,168.78/x
3. Step 3: Cross multiply
   16,147.39x = 22,274.28 × 10,168.78
4. Step 4: Simplify right side
   16,147.39x = 226,502,252.98
5. Step 5: Solve for x
   x = 226,502,252.98/16,147.39
6. Step 6: Final answer
   x = 14,027.17