Finding the Fourth Proportional to 4,683.37, 6,429.20 and 4,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,683.37 : 6,429.20 = 4,019.06 : x
2. Step 2: Convert to fraction form
   4,683.37/6,429.20 = 4,019.06/x
3. Step 3: Cross multiply
   4,683.37x = 6,429.20 × 4,019.06
4. Step 4: Simplify right side
   4,683.37x = 25,839,340.55
5. Step 5: Solve for x
   x = 25,839,340.55/4,683.37
6. Step 6: Final answer
   x = 5,517.26