Finding the Fourth Proportional to 16,516.26, 22,799.55 and 10,143.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.26 : 22,799.55 = 10,143.89 : x
2. Step 2: Convert to fraction form
   16,516.26/22,799.55 = 10,143.89/x
3. Step 3: Cross multiply
   16,516.26x = 22,799.55 × 10,143.89
4. Step 4: Simplify right side
   16,516.26x = 231,276,013.25
5. Step 5: Solve for x
   x = 231,276,013.25/16,516.26
6. Step 6: Final answer
   x = 14,002.93