Finding the Fourth Proportional to 16,422.48, 22,811.93 and 16,168.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.48 : 22,811.93 = 16,168.10 : x
2. Step 2: Convert to fraction form
   16,422.48/22,811.93 = 16,168.10/x
3. Step 3: Cross multiply
   16,422.48x = 22,811.93 × 16,168.10
4. Step 4: Simplify right side
   16,422.48x = 368,825,565.43
5. Step 5: Solve for x
   x = 368,825,565.43/16,422.48
6. Step 6: Final answer
   x = 22,458.58