Finding the Fourth Proportional to 17,521.52, 24,170.72 and 11,856.56

Step by Step Solution

1. Step 1: Write the proportion equation
   17,521.52 : 24,170.72 = 11,856.56 : x
2. Step 2: Convert to fraction form
   17,521.52/24,170.72 = 11,856.56/x
3. Step 3: Cross multiply
   17,521.52x = 24,170.72 × 11,856.56
4. Step 4: Simplify right side
   17,521.52x = 286,581,591.92
5. Step 5: Solve for x
   x = 286,581,591.92/17,521.52
6. Step 6: Final answer
   x = 16,355.98