Finding the Fourth Proportional to 3,967.61, 5,920.34 and 3,944.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.61 : 5,920.34 = 3,944.52 : x
2. Step 2: Convert to fraction form
   3,967.61/5,920.34 = 3,944.52/x
3. Step 3: Cross multiply
   3,967.61x = 5,920.34 × 3,944.52
4. Step 4: Simplify right side
   3,967.61x = 23,352,879.81
5. Step 5: Solve for x
   x = 23,352,879.81/3,967.61
6. Step 6: Final answer
   x = 5,885.89