Finding the Fourth Proportional to 12,498.27, 18,738.12 and 7,566.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.27 : 18,738.12 = 7,566.73 : x
2. Step 2: Convert to fraction form
   12,498.27/18,738.12 = 7,566.73/x
3. Step 3: Cross multiply
   12,498.27x = 18,738.12 × 7,566.73
4. Step 4: Simplify right side
   12,498.27x = 141,786,294.75
5. Step 5: Solve for x
   x = 141,786,294.75/12,498.27
6. Step 6: Final answer
   x = 11,344.47