Finding the Fourth Proportional to 5,978.72, 8,254.24 and 3,743.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,978.72 : 8,254.24 = 3,743.92 : x
2. Step 2: Convert to fraction form
   5,978.72/8,254.24 = 3,743.92/x
3. Step 3: Cross multiply
   5,978.72x = 8,254.24 × 3,743.92
4. Step 4: Simplify right side
   5,978.72x = 30,903,214.22
5. Step 5: Solve for x
   x = 30,903,214.22/5,978.72
6. Step 6: Final answer
   x = 5,168.87