Finding the Fourth Proportional to 11,730.78, 17,568.72 and 10,183.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,730.78 : 17,568.72 = 10,183.50 : x
2. Step 2: Convert to fraction form
   11,730.78/17,568.72 = 10,183.50/x
3. Step 3: Cross multiply
   11,730.78x = 17,568.72 × 10,183.50
4. Step 4: Simplify right side
   11,730.78x = 178,911,060.12
5. Step 5: Solve for x
   x = 178,911,060.12/11,730.78
6. Step 6: Final answer
   x = 15,251.42