Finding the Fourth Proportional to 3,892.72, 5,834.22 and 1,945.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,892.72 : 5,834.22 = 1,945.48 : x
2. Step 2: Convert to fraction form
   3,892.72/5,834.22 = 1,945.48/x
3. Step 3: Cross multiply
   3,892.72x = 5,834.22 × 1,945.48
4. Step 4: Simplify right side
   3,892.72x = 11,350,358.33
5. Step 5: Solve for x
   x = 11,350,358.33/3,892.72
6. Step 6: Final answer
   x = 2,915.79