Finding the Fourth Proportional to 16,544.41, 22,831.29 and 8,990.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,544.41 : 22,831.29 = 8,990.82 : x
2. Step 2: Convert to fraction form
   16,544.41/22,831.29 = 8,990.82/x
3. Step 3: Cross multiply
   16,544.41x = 22,831.29 × 8,990.82
4. Step 4: Simplify right side
   16,544.41x = 205,272,018.76
5. Step 5: Solve for x
   x = 205,272,018.76/16,544.41
6. Step 6: Final answer
   x = 12,407.33