Finding the Fourth Proportional to 16,087.12, 22,182.36 and 10,111.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,087.12 : 22,182.36 = 10,111.60 : x
2. Step 2: Convert to fraction form
   16,087.12/22,182.36 = 10,111.60/x
3. Step 3: Cross multiply
   16,087.12x = 22,182.36 × 10,111.60
4. Step 4: Simplify right side
   16,087.12x = 224,299,151.38
5. Step 5: Solve for x
   x = 224,299,151.38/16,087.12
6. Step 6: Final answer
   x = 13,942.78