Finding the Fourth Proportional to 13,061.30, 18,022.84 and 8,342.24

Step by Step Solution

1. Step 1: Write the proportion equation
   13,061.30 : 18,022.84 = 8,342.24 : x
2. Step 2: Convert to fraction form
   13,061.30/18,022.84 = 8,342.24/x
3. Step 3: Cross multiply
   13,061.30x = 18,022.84 × 8,342.24
4. Step 4: Simplify right side
   13,061.30x = 150,350,745.79
5. Step 5: Solve for x
   x = 150,350,745.79/13,061.30
6. Step 6: Final answer
   x = 11,511.17