Finding the Fourth Proportional to 12,095.82, 18,138.06 and 7,166.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,095.82 : 18,138.06 = 7,166.16 : x
2. Step 2: Convert to fraction form
   12,095.82/18,138.06 = 7,166.16/x
3. Step 3: Cross multiply
   12,095.82x = 18,138.06 × 7,166.16
4. Step 4: Simplify right side
   12,095.82x = 129,980,240.05
5. Step 5: Solve for x
   x = 129,980,240.05/12,095.82
6. Step 6: Final answer
   x = 10,745.88