Finding the Fourth Proportional to 6,203.05, 8,560.37 and 3,551.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,203.05 : 8,560.37 = 3,551.31 : x
2. Step 2: Convert to fraction form
   6,203.05/8,560.37 = 3,551.31/x
3. Step 3: Cross multiply
   6,203.05x = 8,560.37 × 3,551.31
4. Step 4: Simplify right side
   6,203.05x = 30,400,509.83
5. Step 5: Solve for x
   x = 30,400,509.83/6,203.05
6. Step 6: Final answer
   x = 4,900.90