Finding the Fourth Proportional to 11,722.80, 16,185.01 and 10,461.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,722.80 : 16,185.01 = 10,461.69 : x
2. Step 2: Convert to fraction form
   11,722.80/16,185.01 = 10,461.69/x
3. Step 3: Cross multiply
   11,722.80x = 16,185.01 × 10,461.69
4. Step 4: Simplify right side
   11,722.80x = 169,322,557.27
5. Step 5: Solve for x
   x = 169,322,557.27/11,722.80
6. Step 6: Final answer
   x = 14,443.87