Finding the Fourth Proportional to 5,766.64, 7,958.72 and 3,248.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,766.64 : 7,958.72 = 3,248.88 : x
2. Step 2: Convert to fraction form
   5,766.64/7,958.72 = 3,248.88/x
3. Step 3: Cross multiply
   5,766.64x = 7,958.72 × 3,248.88
4. Step 4: Simplify right side
   5,766.64x = 25,856,926.23
5. Step 5: Solve for x
   x = 25,856,926.23/5,766.64
6. Step 6: Final answer
   x = 4,483.88