Finding the Fourth Proportional to 5,636.52, 8,459.64 and 3,906.36

Step by Step Solution

1. Step 1: Write the proportion equation
   5,636.52 : 8,459.64 = 3,906.36 : x
2. Step 2: Convert to fraction form
   5,636.52/8,459.64 = 3,906.36/x
3. Step 3: Cross multiply
   5,636.52x = 8,459.64 × 3,906.36
4. Step 4: Simplify right side
   5,636.52x = 33,046,399.31
5. Step 5: Solve for x
   x = 33,046,399.31/5,636.52
6. Step 6: Final answer
   x = 5,862.91