Finding the Fourth Proportional to 16,111.47, 22,233.79 and 9,037.90

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.47 : 22,233.79 = 9,037.90 : x
2. Step 2: Convert to fraction form
   16,111.47/22,233.79 = 9,037.90/x
3. Step 3: Cross multiply
   16,111.47x = 22,233.79 × 9,037.90
4. Step 4: Simplify right side
   16,111.47x = 200,946,770.64
5. Step 5: Solve for x
   x = 200,946,770.64/16,111.47
6. Step 6: Final answer
   x = 12,472.28