Finding the Fourth Proportional to 17,515.76, 24,171.74 and 12,488.73

Step by Step Solution

1. Step 1: Write the proportion equation
   17,515.76 : 24,171.74 = 12,488.73 : x
2. Step 2: Convert to fraction form
   17,515.76/24,171.74 = 12,488.73/x
3. Step 3: Cross multiply
   17,515.76x = 24,171.74 × 12,488.73
4. Step 4: Simplify right side
   17,515.76x = 301,874,459.55
5. Step 5: Solve for x
   x = 301,874,459.55/17,515.76
6. Step 6: Final answer
   x = 17,234.45