Finding the Fourth Proportional to 3,966.71, 5,468.73 and 3,404.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,966.71 : 5,468.73 = 3,404.75 : x
2. Step 2: Convert to fraction form
   3,966.71/5,468.73 = 3,404.75/x
3. Step 3: Cross multiply
   3,966.71x = 5,468.73 × 3,404.75
4. Step 4: Simplify right side
   3,966.71x = 18,619,658.47
5. Step 5: Solve for x
   x = 18,619,658.47/3,966.71
6. Step 6: Final answer
   x = 4,693.98