Finding the Fourth Proportional to 3,743.78, 5,166.56 and 2,065.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,743.78 : 5,166.56 = 2,065.25 : x
2. Step 2: Convert to fraction form
   3,743.78/5,166.56 = 2,065.25/x
3. Step 3: Cross multiply
   3,743.78x = 5,166.56 × 2,065.25
4. Step 4: Simplify right side
   3,743.78x = 10,670,227.71
5. Step 5: Solve for x
   x = 10,670,227.71/3,743.78
6. Step 6: Final answer
   x = 2,850.12