Finding the Fourth Proportional to 8,042.92, 12,061.04 and 3,109.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.92 : 12,061.04 = 3,109.72 : x
2. Step 2: Convert to fraction form
   8,042.92/12,061.04 = 3,109.72/x
3. Step 3: Cross multiply
   8,042.92x = 12,061.04 × 3,109.72
4. Step 4: Simplify right side
   8,042.92x = 37,506,450.01
5. Step 5: Solve for x
   x = 37,506,450.01/8,042.92
6. Step 6: Final answer
   x = 4,663.29