Finding the Fourth Proportional to 10,545.38, 15,819.60 and 3,523.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,545.38 : 15,819.60 = 3,523.31 : x
2. Step 2: Convert to fraction form
   10,545.38/15,819.60 = 3,523.31/x
3. Step 3: Cross multiply
   10,545.38x = 15,819.60 × 3,523.31
4. Step 4: Simplify right side
   10,545.38x = 55,737,370.56
5. Step 5: Solve for x
   x = 55,737,370.56/10,545.38
6. Step 6: Final answer
   x = 5,285.48