Finding the Fourth Proportional to 3,925.32, 5,413.30 and 2,668.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,925.32 : 5,413.30 = 2,668.24 : x
2. Step 2: Convert to fraction form
   3,925.32/5,413.30 = 2,668.24/x
3. Step 3: Cross multiply
   3,925.32x = 5,413.30 × 2,668.24
4. Step 4: Simplify right side
   3,925.32x = 14,443,983.59
5. Step 5: Solve for x
   x = 14,443,983.59/3,925.32
6. Step 6: Final answer
   x = 3,679.70