Finding the Fourth Proportional to 8,150.19, 12,172.71 and 8,093.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,150.19 : 12,172.71 = 8,093.07 : x
2. Step 2: Convert to fraction form
   8,150.19/12,172.71 = 8,093.07/x
3. Step 3: Cross multiply
   8,150.19x = 12,172.71 × 8,093.07
4. Step 4: Simplify right side
   8,150.19x = 98,514,594.12
5. Step 5: Solve for x
   x = 98,514,594.12/8,150.19
6. Step 6: Final answer
   x = 12,087.40