Finding the Fourth Proportional to 17,479.52, 24,121.75 and 9,521.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,479.52 : 24,121.75 = 9,521.73 : x
2. Step 2: Convert to fraction form
   17,479.52/24,121.75 = 9,521.73/x
3. Step 3: Cross multiply
   17,479.52x = 24,121.75 × 9,521.73
4. Step 4: Simplify right side
   17,479.52x = 229,680,766.82
5. Step 5: Solve for x
   x = 229,680,766.82/17,479.52
6. Step 6: Final answer
   x = 13,140.00