Finding the Fourth Proportional to 16,513.98, 22,789.10 and 9,343.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,513.98 : 22,789.10 = 9,343.81 : x
2. Step 2: Convert to fraction form
   16,513.98/22,789.10 = 9,343.81/x
3. Step 3: Cross multiply
   16,513.98x = 22,789.10 × 9,343.81
4. Step 4: Simplify right side
   16,513.98x = 212,936,891.57
5. Step 5: Solve for x
   x = 212,936,891.57/16,513.98
6. Step 6: Final answer
   x = 12,894.34