Finding the Fourth Proportional to 17,721.82, 24,456.93 and 10,550.11

Step by Step Solution

1. Step 1: Write the proportion equation
   17,721.82 : 24,456.93 = 10,550.11 : x
2. Step 2: Convert to fraction form
   17,721.82/24,456.93 = 10,550.11/x
3. Step 3: Cross multiply
   17,721.82x = 24,456.93 × 10,550.11
4. Step 4: Simplify right side
   17,721.82x = 258,023,280.18
5. Step 5: Solve for x
   x = 258,023,280.18/17,721.82
6. Step 6: Final answer
   x = 14,559.64