Finding the Fourth Proportional to 8,042.45, 12,061.37 and 2,776.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,042.45 : 12,061.37 = 2,776.10 : x
2. Step 2: Convert to fraction form
   8,042.45/12,061.37 = 2,776.10/x
3. Step 3: Cross multiply
   8,042.45x = 12,061.37 × 2,776.10
4. Step 4: Simplify right side
   8,042.45x = 33,483,502.01
5. Step 5: Solve for x
   x = 33,483,502.01/8,042.45
6. Step 6: Final answer
   x = 4,163.34