Finding the Fourth Proportional to 12,909.38, 19,367.30 and 3,675.38

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909.38 : 19,367.30 = 3,675.38 : x
2. Step 2: Convert to fraction form
   12,909.38/19,367.30 = 3,675.38/x
3. Step 3: Cross multiply
   12,909.38x = 19,367.30 × 3,675.38
4. Step 4: Simplify right side
   12,909.38x = 71,182,099.43
5. Step 5: Solve for x
   x = 71,182,099.43/12,909.38
6. Step 6: Final answer
   x = 5,513.98