Finding the Fourth Proportional to 3,405.07, 5,083.77 and 3,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,405.07 : 5,083.77 = 3,196.50 : x
2. Step 2: Convert to fraction form
   3,405.07/5,083.77 = 3,196.50/x
3. Step 3: Cross multiply
   3,405.07x = 5,083.77 × 3,196.50
4. Step 4: Simplify right side
   3,405.07x = 16,250,245.39
5. Step 5: Solve for x
   x = 16,250,245.39/3,405.07
6. Step 6: Final answer
   x = 4,772.37