Finding the Fourth Proportional to 3,019.50, 4,168.27 and 1,902.08

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.50 : 4,168.27 = 1,902.08 : x
2. Step 2: Convert to fraction form
   3,019.50/4,168.27 = 1,902.08/x
3. Step 3: Cross multiply
   3,019.50x = 4,168.27 × 1,902.08
4. Step 4: Simplify right side
   3,019.50x = 7,928,395.80
5. Step 5: Solve for x
   x = 7,928,395.80/3,019.50
6. Step 6: Final answer
   x = 2,625.73