Finding the Fourth Proportional to 12,736.85, 19,098.59 and 3,969.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,736.85 : 19,098.59 = 3,969.41 : x
2. Step 2: Convert to fraction form
   12,736.85/19,098.59 = 3,969.41/x
3. Step 3: Cross multiply
   12,736.85x = 19,098.59 × 3,969.41
4. Step 4: Simplify right side
   12,736.85x = 75,810,018.79
5. Step 5: Solve for x
   x = 75,810,018.79/12,736.85
6. Step 6: Final answer
   x = 5,952.02