Finding the Fourth Proportional to 5,782.42, 7,976.61 and 3,545.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,782.42 : 7,976.61 = 3,545.38 : x
2. Step 2: Convert to fraction form
   5,782.42/7,976.61 = 3,545.38/x
3. Step 3: Cross multiply
   5,782.42x = 7,976.61 × 3,545.38
4. Step 4: Simplify right side
   5,782.42x = 28,280,113.56
5. Step 5: Solve for x
   x = 28,280,113.56/5,782.42
6. Step 6: Final answer
   x = 4,890.71