Finding the Fourth Proportional to 6,243.37, 8,613.91 and 3,554.39

Step by Step Solution

1. Step 1: Write the proportion equation
   6,243.37 : 8,613.91 = 3,554.39 : x
2. Step 2: Convert to fraction form
   6,243.37/8,613.91 = 3,554.39/x
3. Step 3: Cross multiply
   6,243.37x = 8,613.91 × 3,554.39
4. Step 4: Simplify right side
   6,243.37x = 30,617,195.56
5. Step 5: Solve for x
   x = 30,617,195.56/6,243.37
6. Step 6: Final answer
   x = 4,903.95