Finding the Fourth Proportional to 6,337.50, 8,745.78 and 3,543

Step by Step Solution

1. Step 1: Write the proportion equation
   6,337.50 : 8,745.78 = 3,543 : x
2. Step 2: Convert to fraction form
   6,337.50/8,745.78 = 3,543/x
3. Step 3: Cross multiply
   6,337.50x = 8,745.78 × 3,543
4. Step 4: Simplify right side
   6,337.50x = 30,986,298.54
5. Step 5: Solve for x
   x = 30,986,298.54/6,337.50
6. Step 6: Final answer
   x = 4,889.36