Finding the Fourth Proportional to 6,203.91, 8,561.78 and 3,551.27

Step by Step Solution

1. Step 1: Write the proportion equation
   6,203.91 : 8,561.78 = 3,551.27 : x
2. Step 2: Convert to fraction form
   6,203.91/8,561.78 = 3,551.27/x
3. Step 3: Cross multiply
   6,203.91x = 8,561.78 × 3,551.27
4. Step 4: Simplify right side
   6,203.91x = 30,405,145.21
5. Step 5: Solve for x
   x = 30,405,145.21/6,203.91
6. Step 6: Final answer
   x = 4,900.96