Finding the Fourth Proportional to 17,479.05, 24,120.88 and 9,521.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,479.05 : 24,120.88 = 9,521.27 : x
2. Step 2: Convert to fraction form
   17,479.05/24,120.88 = 9,521.27/x
3. Step 3: Cross multiply
   17,479.05x = 24,120.88 × 9,521.27
4. Step 4: Simplify right side
   17,479.05x = 229,661,411.12
5. Step 5: Solve for x
   x = 229,661,411.12/17,479.05
6. Step 6: Final answer
   x = 13,139.24