Finding the Fourth Proportional to 3,755.42, 5,182.42 and 2,076.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,755.42 : 5,182.42 = 2,076.78 : x
2. Step 2: Convert to fraction form
   3,755.42/5,182.42 = 2,076.78/x
3. Step 3: Cross multiply
   3,755.42x = 5,182.42 × 2,076.78
4. Step 4: Simplify right side
   3,755.42x = 10,762,735.82
5. Step 5: Solve for x
   x = 10,762,735.82/3,755.42
6. Step 6: Final answer
   x = 2,865.92