Finding the Fourth Proportional to 3,951.50, 5,929.29 and 1,613.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,951.50 : 5,929.29 = 1,613.22 : x
2. Step 2: Convert to fraction form
   3,951.50/5,929.29 = 1,613.22/x
3. Step 3: Cross multiply
   3,951.50x = 5,929.29 × 1,613.22
4. Step 4: Simplify right side
   3,951.50x = 9,565,249.21
5. Step 5: Solve for x
   x = 9,565,249.21/3,951.50
6. Step 6: Final answer
   x = 2,420.67