Finding the Fourth Proportional to 3,906.72, 5,856.84 and 1,825.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,906.72 : 5,856.84 = 1,825.62 : x
2. Step 2: Convert to fraction form
   3,906.72/5,856.84 = 1,825.62/x
3. Step 3: Cross multiply
   3,906.72x = 5,856.84 × 1,825.62
4. Step 4: Simplify right side
   3,906.72x = 10,692,364.24
5. Step 5: Solve for x
   x = 10,692,364.24/3,906.72
6. Step 6: Final answer
   x = 2,736.92