Finding the Fourth Proportional to 16,111.24, 24,169.06 and 15,139.24

Step by Step Solution

1. Step 1: Write the proportion equation
   16,111.24 : 24,169.06 = 15,139.24 : x
2. Step 2: Convert to fraction form
   16,111.24/24,169.06 = 15,139.24/x
3. Step 3: Cross multiply
   16,111.24x = 24,169.06 × 15,139.24
4. Step 4: Simplify right side
   16,111.24x = 365,901,199.91
5. Step 5: Solve for x
   x = 365,901,199.91/16,111.24
6. Step 6: Final answer
   x = 22,710.93