Finding the Fourth Proportional to 3,945.04, 5,891.98 and 3,574.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.04 : 5,891.98 = 3,574.10 : x
2. Step 2: Convert to fraction form
   3,945.04/5,891.98 = 3,574.10/x
3. Step 3: Cross multiply
   3,945.04x = 5,891.98 × 3,574.10
4. Step 4: Simplify right side
   3,945.04x = 21,058,525.72
5. Step 5: Solve for x
   x = 21,058,525.72/3,945.04
6. Step 6: Final answer
   x = 5,337.98