Finding the Fourth Proportional to 3,086.96, 4,640.47 and 2,477.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.96 : 4,640.47 = 2,477.34 : x
2. Step 2: Convert to fraction form
   3,086.96/4,640.47 = 2,477.34/x
3. Step 3: Cross multiply
   3,086.96x = 4,640.47 × 2,477.34
4. Step 4: Simplify right side
   3,086.96x = 11,496,015.76
5. Step 5: Solve for x
   x = 11,496,015.76/3,086.96
6. Step 6: Final answer
   x = 3,724.06