Finding the Fourth Proportional to 2,761.24, 3,810.78 and 2,061.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.24 : 3,810.78 = 2,061.40 : x
2. Step 2: Convert to fraction form
   2,761.24/3,810.78 = 2,061.40/x
3. Step 3: Cross multiply
   2,761.24x = 3,810.78 × 2,061.40
4. Step 4: Simplify right side
   2,761.24x = 7,855,541.89
5. Step 5: Solve for x
   x = 7,855,541.89/2,761.24
6. Step 6: Final answer
   x = 2,844.93