Finding the Fourth Proportional to 11,120.41, 16,662.12 and 7,826.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,120.41 : 16,662.12 = 7,826.59 : x
2. Step 2: Convert to fraction form
   11,120.41/16,662.12 = 7,826.59/x
3. Step 3: Cross multiply
   11,120.41x = 16,662.12 × 7,826.59
4. Step 4: Simplify right side
   11,120.41x = 130,407,581.77
5. Step 5: Solve for x
   x = 130,407,581.77/11,120.41
6. Step 6: Final answer
   x = 11,726.87