Finding the Fourth Proportional to 5,735.89, 7,912.80 and 3,636.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,735.89 : 7,912.80 = 3,636.37 : x
2. Step 2: Convert to fraction form
   5,735.89/7,912.80 = 3,636.37/x
3. Step 3: Cross multiply
   5,735.89x = 7,912.80 × 3,636.37
4. Step 4: Simplify right side
   5,735.89x = 28,773,868.54
5. Step 5: Solve for x
   x = 28,773,868.54/5,735.89
6. Step 6: Final answer
   x = 5,016.46