Finding the Fourth Proportional to 13,150.94, 18,146.10 and 7,843.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,150.94 : 18,146.10 = 7,843.82 : x
2. Step 2: Convert to fraction form
   13,150.94/18,146.10 = 7,843.82/x
3. Step 3: Cross multiply
   13,150.94x = 18,146.10 × 7,843.82
4. Step 4: Simplify right side
   13,150.94x = 142,334,742.10
5. Step 5: Solve for x
   x = 142,334,742.10/13,150.94
6. Step 6: Final answer
   x = 10,823.16