Finding the Fourth Proportional to 12,498.80, 18,748.17 and 5,005.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.80 : 18,748.17 = 5,005.73 : x
2. Step 2: Convert to fraction form
   12,498.80/18,748.17 = 5,005.73/x
3. Step 3: Cross multiply
   12,498.80x = 18,748.17 × 5,005.73
4. Step 4: Simplify right side
   12,498.80x = 93,848,183.27
5. Step 5: Solve for x
   x = 93,848,183.27/12,498.80
6. Step 6: Final answer
   x = 7,508.58