Finding the Fourth Proportional to 3,905.72, 5,849.58 and 2,258.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,905.72 : 5,849.58 = 2,258.18 : x
2. Step 2: Convert to fraction form
   3,905.72/5,849.58 = 2,258.18/x
3. Step 3: Cross multiply
   3,905.72x = 5,849.58 × 2,258.18
4. Step 4: Simplify right side
   3,905.72x = 13,209,404.56
5. Step 5: Solve for x
   x = 13,209,404.56/3,905.72
6. Step 6: Final answer
   x = 3,382.07