Finding the Fourth Proportional to 11,363.13, 17,046.18 and 3,969.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,363.13 : 17,046.18 = 3,969.72 : x
2. Step 2: Convert to fraction form
   11,363.13/17,046.18 = 3,969.72/x
3. Step 3: Cross multiply
   11,363.13x = 17,046.18 × 3,969.72
4. Step 4: Simplify right side
   11,363.13x = 67,668,561.67
5. Step 5: Solve for x
   x = 67,668,561.67/11,363.13
6. Step 6: Final answer
   x = 5,955.10