Finding the Fourth Proportional to 3,904.66, 5,411.02 and 3,830.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,904.66 : 5,411.02 = 3,830.82 : x
2. Step 2: Convert to fraction form
   3,904.66/5,411.02 = 3,830.82/x
3. Step 3: Cross multiply
   3,904.66x = 5,411.02 × 3,830.82
4. Step 4: Simplify right side
   3,904.66x = 20,728,643.64
5. Step 5: Solve for x
   x = 20,728,643.64/3,904.66
6. Step 6: Final answer
   x = 5,308.69