Finding the Fourth Proportional to 11,306.83, 16,956.79 and 7,819.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,306.83 : 16,956.79 = 7,819.25 : x
2. Step 2: Convert to fraction form
   11,306.83/16,956.79 = 7,819.25/x
3. Step 3: Cross multiply
   11,306.83x = 16,956.79 × 7,819.25
4. Step 4: Simplify right side
   11,306.83x = 132,589,380.21
5. Step 5: Solve for x
   x = 132,589,380.21/11,306.83
6. Step 6: Final answer
   x = 11,726.49