Finding the Fourth Proportional to 12,584.43, 18,875.43 and 3,819.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,584.43 : 18,875.43 = 3,819.42 : x
2. Step 2: Convert to fraction form
   12,584.43/18,875.43 = 3,819.42/x
3. Step 3: Cross multiply
   12,584.43x = 18,875.43 × 3,819.42
4. Step 4: Simplify right side
   12,584.43x = 72,093,194.85
5. Step 5: Solve for x
   x = 72,093,194.85/12,584.43
6. Step 6: Final answer
   x = 5,728.76