Finding the Fourth Proportional to 16,390.29, 22,612.18 and 10,091.73

Step by Step Solution

1. Step 1: Write the proportion equation
   16,390.29 : 22,612.18 = 10,091.73 : x
2. Step 2: Convert to fraction form
   16,390.29/22,612.18 = 10,091.73/x
3. Step 3: Cross multiply
   16,390.29x = 22,612.18 × 10,091.73
4. Step 4: Simplify right side
   16,390.29x = 228,196,015.27
5. Step 5: Solve for x
   x = 228,196,015.27/16,390.29
6. Step 6: Final answer
   x = 13,922.63