Finding the Fourth Proportional to 7,826.67, 11,730.29 and 3,661.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,826.67 : 11,730.29 = 3,661.25 : x
2. Step 2: Convert to fraction form
   7,826.67/11,730.29 = 3,661.25/x
3. Step 3: Cross multiply
   7,826.67x = 11,730.29 × 3,661.25
4. Step 4: Simplify right side
   7,826.67x = 42,947,447.30
5. Step 5: Solve for x
   x = 42,947,447.30/7,826.67
6. Step 6: Final answer
   x = 5,487.32