Finding the Fourth Proportional to 3,975.94, 5,990.38 and 3,601.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,975.94 : 5,990.38 = 3,601.18 : x
2. Step 2: Convert to fraction form
   3,975.94/5,990.38 = 3,601.18/x
3. Step 3: Cross multiply
   3,975.94x = 5,990.38 × 3,601.18
4. Step 4: Simplify right side
   3,975.94x = 21,572,436.65
5. Step 5: Solve for x
   x = 21,572,436.65/3,975.94
6. Step 6: Final answer
   x = 5,425.75