Finding the Fourth Proportional to 3,945.74, 5,914.56 and 1,755.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.74 : 5,914.56 = 1,755.50 : x
2. Step 2: Convert to fraction form
   3,945.74/5,914.56 = 1,755.50/x
3. Step 3: Cross multiply
   3,945.74x = 5,914.56 × 1,755.50
4. Step 4: Simplify right side
   3,945.74x = 10,383,010.08
5. Step 5: Solve for x
   x = 10,383,010.08/3,945.74
6. Step 6: Final answer
   x = 2,631.45