Finding the Fourth Proportional to 17,621.73, 24,319.49 and 9,665.51

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621.73 : 24,319.49 = 9,665.51 : x
2. Step 2: Convert to fraction form
   17,621.73/24,319.49 = 9,665.51/x
3. Step 3: Cross multiply
   17,621.73x = 24,319.49 × 9,665.51
4. Step 4: Simplify right side
   17,621.73x = 235,060,103.86
5. Step 5: Solve for x
   x = 235,060,103.86/17,621.73
6. Step 6: Final answer
   x = 13,339.22