Finding the Fourth Proportional to 16,146.39, 22,272.90 and 10,167.78

Step by Step Solution

1. Step 1: Write the proportion equation
   16,146.39 : 22,272.90 = 10,167.78 : x
2. Step 2: Convert to fraction form
   16,146.39/22,272.90 = 10,167.78/x
3. Step 3: Cross multiply
   16,146.39x = 22,272.90 × 10,167.78
4. Step 4: Simplify right side
   16,146.39x = 226,465,947.16
5. Step 5: Solve for x
   x = 226,465,947.16/16,146.39
6. Step 6: Final answer
   x = 14,025.79