Finding the Fourth Proportional to 5,979.62, 8,255.94 and 3,742.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,979.62 : 8,255.94 = 3,742.40 : x
2. Step 2: Convert to fraction form
   5,979.62/8,255.94 = 3,742.40/x
3. Step 3: Cross multiply
   5,979.62x = 8,255.94 × 3,742.40
4. Step 4: Simplify right side
   5,979.62x = 30,897,029.86
5. Step 5: Solve for x
   x = 30,897,029.86/5,979.62
6. Step 6: Final answer
   x = 5,167.06