Finding the Fourth Proportional to 16,498.46, 22,765.02 and 9,328.70

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.46 : 22,765.02 = 9,328.70 : x
2. Step 2: Convert to fraction form
   16,498.46/22,765.02 = 9,328.70/x
3. Step 3: Cross multiply
   16,498.46x = 22,765.02 × 9,328.70
4. Step 4: Simplify right side
   16,498.46x = 212,368,042.07
5. Step 5: Solve for x
   x = 212,368,042.07/16,498.46
6. Step 6: Final answer
   x = 12,871.99