Finding the Fourth Proportional to 16,031.10, 22,123.96 and 10,645.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,031.10 : 22,123.96 = 10,645.10 : x
2. Step 2: Convert to fraction form
   16,031.10/22,123.96 = 10,645.10/x
3. Step 3: Cross multiply
   16,031.10x = 22,123.96 × 10,645.10
4. Step 4: Simplify right side
   16,031.10x = 235,511,766.60
5. Step 5: Solve for x
   x = 235,511,766.60/16,031.10
6. Step 6: Final answer
   x = 14,690.93