Finding the Fourth Proportional to 12,755.16, 19,133.55 and 3,395.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,755.16 : 19,133.55 = 3,395.03 : x
2. Step 2: Convert to fraction form
   12,755.16/19,133.55 = 3,395.03/x
3. Step 3: Cross multiply
   12,755.16x = 19,133.55 × 3,395.03
4. Step 4: Simplify right side
   12,755.16x = 64,958,880.59
5. Step 5: Solve for x
   x = 64,958,880.59/12,755.16
6. Step 6: Final answer
   x = 5,092.75