Finding the Fourth Proportional to 5,766.16, 7,959.72 and 3,904.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,766.16 : 7,959.72 = 3,904.24 : x
2. Step 2: Convert to fraction form
   5,766.16/7,959.72 = 3,904.24/x
3. Step 3: Cross multiply
   5,766.16x = 7,959.72 × 3,904.24
4. Step 4: Simplify right side
   5,766.16x = 31,076,657.21
5. Step 5: Solve for x
   x = 31,076,657.21/5,766.16
6. Step 6: Final answer
   x = 5,389.49