Finding the Fourth Proportional to 8,042.36, 12,061.17 and 3,110.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.36 : 12,061.17 = 3,110.81 : x
2. Step 2: Convert to fraction form
   8,042.36/12,061.17 = 3,110.81/x
3. Step 3: Cross multiply
   8,042.36x = 12,061.17 × 3,110.81
4. Step 4: Simplify right side
   8,042.36x = 37,519,947.94
5. Step 5: Solve for x
   x = 37,519,947.94/8,042.36
6. Step 6: Final answer
   x = 4,665.29