Finding the Fourth Proportional to 3,646.92, 5,479.83 and 3,185.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,646.92 : 5,479.83 = 3,185.94 : x
2. Step 2: Convert to fraction form
   3,646.92/5,479.83 = 3,185.94/x
3. Step 3: Cross multiply
   3,646.92x = 5,479.83 × 3,185.94
4. Step 4: Simplify right side
   3,646.92x = 17,458,409.59
5. Step 5: Solve for x
   x = 17,458,409.59/3,646.92
6. Step 6: Final answer
   x = 4,787.17