Finding the Fourth Proportional to 4,287.34, 5,919.30 and 3,838.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287.34 : 5,919.30 = 3,838.42 : x
2. Step 2: Convert to fraction form
   4,287.34/5,919.30 = 3,838.42/x
3. Step 3: Cross multiply
   4,287.34x = 5,919.30 × 3,838.42
4. Step 4: Simplify right side
   4,287.34x = 22,720,759.51
5. Step 5: Solve for x
   x = 22,720,759.51/4,287.34
6. Step 6: Final answer
   x = 5,299.50