Finding the Fourth Proportional to 16,123.98, 22,245.39 and 10,538.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,123.98 : 22,245.39 = 10,538.22 : x
2. Step 2: Convert to fraction form
   16,123.98/22,245.39 = 10,538.22/x
3. Step 3: Cross multiply
   16,123.98x = 22,245.39 × 10,538.22
4. Step 4: Simplify right side
   16,123.98x = 234,426,813.81
5. Step 5: Solve for x
   x = 234,426,813.81/16,123.98
6. Step 6: Final answer
   x = 14,539.02