Finding the Fourth Proportional to 4,071.25, 5,601.31 and 3,628.18

Step by Step Solution

1. Step 1: Write the proportion equation
   4,071.25 : 5,601.31 = 3,628.18 : x
2. Step 2: Convert to fraction form
   4,071.25/5,601.31 = 3,628.18/x
3. Step 3: Cross multiply
   4,071.25x = 5,601.31 × 3,628.18
4. Step 4: Simplify right side
   4,071.25x = 20,322,560.92
5. Step 5: Solve for x
   x = 20,322,560.92/4,071.25
6. Step 6: Final answer
   x = 4,991.73