Finding the Fourth Proportional to 8,105.82, 12,158.55 and 7,006.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.82 : 12,158.55 = 7,006.92 : x
2. Step 2: Convert to fraction form
   8,105.82/12,158.55 = 7,006.92/x
3. Step 3: Cross multiply
   8,105.82x = 12,158.55 × 7,006.92
4. Step 4: Simplify right side
   8,105.82x = 85,193,987.17
5. Step 5: Solve for x
   x = 85,193,987.17/8,105.82
6. Step 6: Final answer
   x = 10,510.22