Finding the Fourth Proportional to 16,015.18, 22,100.02 and 8,942.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,015.18 : 22,100.02 = 8,942.05 : x
2. Step 2: Convert to fraction form
   16,015.18/22,100.02 = 8,942.05/x
3. Step 3: Cross multiply
   16,015.18x = 22,100.02 × 8,942.05
4. Step 4: Simplify right side
   16,015.18x = 197,619,483.84
5. Step 5: Solve for x
   x = 197,619,483.84/16,015.18
6. Step 6: Final answer
   x = 12,339.51