Finding the Fourth Proportional to 12,610.38, 18,909.69 and 3,843.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.38 : 18,909.69 = 3,843.42 : x
2. Step 2: Convert to fraction form
   12,610.38/18,909.69 = 3,843.42/x
3. Step 3: Cross multiply
   12,610.38x = 18,909.69 × 3,843.42
4. Step 4: Simplify right side
   12,610.38x = 72,677,880.74
5. Step 5: Solve for x
   x = 72,677,880.74/12,610.38
6. Step 6: Final answer
   x = 5,763.34