Finding the Fourth Proportional to 5,762.76, 7,952.71 and 3,404.90

Step by Step Solution

1. Step 1: Write the proportion equation
   5,762.76 : 7,952.71 = 3,404.90 : x
2. Step 2: Convert to fraction form
   5,762.76/7,952.71 = 3,404.90/x
3. Step 3: Cross multiply
   5,762.76x = 7,952.71 × 3,404.90
4. Step 4: Simplify right side
   5,762.76x = 27,078,142.52
5. Step 5: Solve for x
   x = 27,078,142.52/5,762.76
6. Step 6: Final answer
   x = 4,698.81