Finding the Fourth Proportional to 3,411.78, 5,112.72 and 1,850.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.78 : 5,112.72 = 1,850.46 : x
2. Step 2: Convert to fraction form
   3,411.78/5,112.72 = 1,850.46/x
3. Step 3: Cross multiply
   3,411.78x = 5,112.72 × 1,850.46
4. Step 4: Simplify right side
   3,411.78x = 9,460,883.85
5. Step 5: Solve for x
   x = 9,460,883.85/3,411.78
6. Step 6: Final answer
   x = 2,773.01