Finding the Fourth Proportional to 17,517.76, 24,174.50 and 12,490.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,517.76 : 24,174.50 = 12,490.73 : x
2. Step 2: Convert to fraction form
   17,517.76/24,174.50 = 12,490.73/x
3. Step 3: Cross multiply
   17,517.76x = 24,174.50 × 12,490.73
4. Step 4: Simplify right side
   17,517.76x = 301,957,152.39
5. Step 5: Solve for x
   x = 301,957,152.39/17,517.76
6. Step 6: Final answer
   x = 17,237.20