Finding the Fourth Proportional to 3,902.18, 5,843.61 and 3,574.46

Step by Step Solution

1. Step 1: Write the proportion equation
   3,902.18 : 5,843.61 = 3,574.46 : x
2. Step 2: Convert to fraction form
   3,902.18/5,843.61 = 3,574.46/x
3. Step 3: Cross multiply
   3,902.18x = 5,843.61 × 3,574.46
4. Step 4: Simplify right side
   3,902.18x = 20,887,750.20
5. Step 5: Solve for x
   x = 20,887,750.20/3,902.18
6. Step 6: Final answer
   x = 5,352.84