Finding the Fourth Proportional to 16,108.18, 22,224.72 and 9,394.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,108.18 : 22,224.72 = 9,394.10 : x
2. Step 2: Convert to fraction form
   16,108.18/22,224.72 = 9,394.10/x
3. Step 3: Cross multiply
   16,108.18x = 22,224.72 × 9,394.10
4. Step 4: Simplify right side
   16,108.18x = 208,781,242.15
5. Step 5: Solve for x
   x = 208,781,242.15/16,108.18
6. Step 6: Final answer
   x = 12,961.19