Finding the Fourth Proportional to 11,618.24, 17,429.92 and 3,826.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.24 : 17,429.92 = 3,826.72 : x
2. Step 2: Convert to fraction form
   11,618.24/17,429.92 = 3,826.72/x
3. Step 3: Cross multiply
   11,618.24x = 17,429.92 × 3,826.72
4. Step 4: Simplify right side
   11,618.24x = 66,699,423.46
5. Step 5: Solve for x
   x = 66,699,423.46/11,618.24
6. Step 6: Final answer
   x = 5,740.92