Finding the Fourth Proportional to 16,055.40, 22,156.49 and 8,981.94

Step by Step Solution

1. Step 1: Write the proportion equation
   16,055.40 : 22,156.49 = 8,981.94 : x
2. Step 2: Convert to fraction form
   16,055.40/22,156.49 = 8,981.94/x
3. Step 3: Cross multiply
   16,055.40x = 22,156.49 × 8,981.94
4. Step 4: Simplify right side
   16,055.40x = 199,008,263.79
5. Step 5: Solve for x
   x = 199,008,263.79/16,055.40
6. Step 6: Final answer
   x = 12,395.10