Finding the Fourth Proportional to 5,762.28, 7,952.40 and 5,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,762.28 : 7,952.40 = 5,315.52 : x
2. Step 2: Convert to fraction form
   5,762.28/7,952.40 = 5,315.52/x
3. Step 3: Cross multiply
   5,762.28x = 7,952.40 × 5,315.52
4. Step 4: Simplify right side
   5,762.28x = 42,271,141.25
5. Step 5: Solve for x
   x = 42,271,141.25/5,762.28
6. Step 6: Final answer
   x = 7,335.84