Finding the Fourth Proportional to 16,411.55, 22,648.03 and 9,337.97

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.55 : 22,648.03 = 9,337.97 : x
2. Step 2: Convert to fraction form
   16,411.55/22,648.03 = 9,337.97/x
3. Step 3: Cross multiply
   16,411.55x = 22,648.03 × 9,337.97
4. Step 4: Simplify right side
   16,411.55x = 211,486,624.70
5. Step 5: Solve for x
   x = 211,486,624.70/16,411.55
6. Step 6: Final answer
   x = 12,886.45