Finding the Fourth Proportional to 3,901.56, 5,822.46 and 3,486.04

Step by Step Solution

1. Step 1: Write the proportion equation
   3,901.56 : 5,822.46 = 3,486.04 : x
2. Step 2: Convert to fraction form
   3,901.56/5,822.46 = 3,486.04/x
3. Step 3: Cross multiply
   3,901.56x = 5,822.46 × 3,486.04
4. Step 4: Simplify right side
   3,901.56x = 20,297,328.46
5. Step 5: Solve for x
   x = 20,297,328.46/3,901.56
6. Step 6: Final answer
   x = 5,202.36