Finding the Fourth Proportional to 16,454.82, 22,707.75 and 9,381.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,454.82 : 22,707.75 = 9,381.18 : x
2. Step 2: Convert to fraction form
   16,454.82/22,707.75 = 9,381.18/x
3. Step 3: Cross multiply
   16,454.82x = 22,707.75 × 9,381.18
4. Step 4: Simplify right side
   16,454.82x = 213,025,490.15
5. Step 5: Solve for x
   x = 213,025,490.15/16,454.82
6. Step 6: Final answer
   x = 12,946.08