Finding the Fourth Proportional to 12,757.16, 19,136.55 and 3,397.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,757.16 : 19,136.55 = 3,397.03 : x
2. Step 2: Convert to fraction form
   12,757.16/19,136.55 = 3,397.03/x
3. Step 3: Cross multiply
   12,757.16x = 19,136.55 × 3,397.03
4. Step 4: Simplify right side
   12,757.16x = 65,007,434.45
5. Step 5: Solve for x
   x = 65,007,434.45/12,757.16
6. Step 6: Final answer
   x = 5,095.76