Finding the Fourth Proportional to 12,604.42, 18,907.56 and 3,839.35

Step by Step Solution

1. Step 1: Write the proportion equation
   12,604.42 : 18,907.56 = 3,839.35 : x
2. Step 2: Convert to fraction form
   12,604.42/18,907.56 = 3,839.35/x
3. Step 3: Cross multiply
   12,604.42x = 18,907.56 × 3,839.35
4. Step 4: Simplify right side
   12,604.42x = 72,592,740.49
5. Step 5: Solve for x
   x = 72,592,740.49/12,604.42
6. Step 6: Final answer
   x = 5,759.31