Finding the Fourth Proportional to 16,485.78, 22,750.46 and 8,932.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.78 : 22,750.46 = 8,932.12 : x
2. Step 2: Convert to fraction form
   16,485.78/22,750.46 = 8,932.12/x
3. Step 3: Cross multiply
   16,485.78x = 22,750.46 × 8,932.12
4. Step 4: Simplify right side
   16,485.78x = 203,209,838.78
5. Step 5: Solve for x
   x = 203,209,838.78/16,485.78
6. Step 6: Final answer
   x = 12,326.37