Finding the Fourth Proportional to 11,005.79, 15,183.25 and 7,423.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,005.79 : 15,183.25 = 7,423.04 : x
2. Step 2: Convert to fraction form
   11,005.79/15,183.25 = 7,423.04/x
3. Step 3: Cross multiply
   11,005.79x = 15,183.25 × 7,423.04
4. Step 4: Simplify right side
   11,005.79x = 112,705,891.48
5. Step 5: Solve for x
   x = 112,705,891.48/11,005.79
6. Step 6: Final answer
   x = 10,240.60