Finding the Fourth Proportional to 3,904.61, 5,388.53 and 2,411.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904.61 : 5,388.53 = 2,411.37 : x
2. Step 2: Convert to fraction form
   3,904.61/5,388.53 = 2,411.37/x
3. Step 3: Cross multiply
   3,904.61x = 5,388.53 × 2,411.37
4. Step 4: Simplify right side
   3,904.61x = 12,993,727.53
5. Step 5: Solve for x
   x = 12,993,727.53/3,904.61
6. Step 6: Final answer
   x = 3,327.80