Finding the Fourth Proportional to 6,339.69, 8,748.72 and 3,545.19

Step by Step Solution

1. Step 1: Write the proportion equation
   6,339.69 : 8,748.72 = 3,545.19 : x
2. Step 2: Convert to fraction form
   6,339.69/8,748.72 = 3,545.19/x
3. Step 3: Cross multiply
   6,339.69x = 8,748.72 × 3,545.19
4. Step 4: Simplify right side
   6,339.69x = 31,015,874.66
5. Step 5: Solve for x
   x = 31,015,874.66/6,339.69
6. Step 6: Final answer
   x = 4,892.33