Finding the Fourth Proportional to 3,807.97, 5,696.16 and 3,574.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,807.97 : 5,696.16 = 3,574.69 : x
2. Step 2: Convert to fraction form
   3,807.97/5,696.16 = 3,574.69/x
3. Step 3: Cross multiply
   3,807.97x = 5,696.16 × 3,574.69
4. Step 4: Simplify right side
   3,807.97x = 20,361,978.54
5. Step 5: Solve for x
   x = 20,361,978.54/3,807.97
6. Step 6: Final answer
   x = 5,347.20