Finding the Fourth Proportional to 3,945.71, 5,913.85 and 1,834.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.71 : 5,913.85 = 1,834.48 : x
2. Step 2: Convert to fraction form
   3,945.71/5,913.85 = 1,834.48/x
3. Step 3: Cross multiply
   3,945.71x = 5,913.85 × 1,834.48
4. Step 4: Simplify right side
   3,945.71x = 10,848,839.55
5. Step 5: Solve for x
   x = 10,848,839.55/3,945.71
6. Step 6: Final answer
   x = 2,749.53