Finding the Fourth Proportional to 17,479.32, 24,120.86 and 9,521.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,479.32 : 24,120.86 = 9,521.34 : x
2. Step 2: Convert to fraction form
   17,479.32/24,120.86 = 9,521.34/x
3. Step 3: Cross multiply
   17,479.32x = 24,120.86 × 9,521.34
4. Step 4: Simplify right side
   17,479.32x = 229,662,861.55
5. Step 5: Solve for x
   x = 229,662,861.55/17,479.32
6. Step 6: Final answer
   x = 13,139.12