Finding the Fourth Proportional to 13,150.15, 18,147.24 and 7,844.85

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.15 : 18,147.24 = 7,844.85 : x
2. Step 2: Convert to fraction form
   13,150.15/18,147.24 = 7,844.85/x
3. Step 3: Cross multiply
   13,150.15x = 18,147.24 × 7,844.85
4. Step 4: Simplify right side
   13,150.15x = 142,362,375.71
5. Step 5: Solve for x
   x = 142,362,375.71/13,150.15
6. Step 6: Final answer
   x = 10,825.91