Finding the Fourth Proportional to 8,524.86, 12,787.27 and 3,839.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,524.86 : 12,787.27 = 3,839.39 : x
2. Step 2: Convert to fraction form
   8,524.86/12,787.27 = 3,839.39/x
3. Step 3: Cross multiply
   8,524.86x = 12,787.27 × 3,839.39
4. Step 4: Simplify right side
   8,524.86x = 49,095,233.43
5. Step 5: Solve for x
   x = 49,095,233.43/8,524.86
6. Step 6: Final answer
   x = 5,759.07