Finding the Fourth Proportional to 5,778.72, 7,979.37 and 3,657.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,778.72 : 7,979.37 = 3,657.69 : x
2. Step 2: Convert to fraction form
   5,778.72/7,979.37 = 3,657.69/x
3. Step 3: Cross multiply
   5,778.72x = 7,979.37 × 3,657.69
4. Step 4: Simplify right side
   5,778.72x = 29,186,061.86
5. Step 5: Solve for x
   x = 29,186,061.86/5,778.72
6. Step 6: Final answer
   x = 5,050.61