Finding the Fourth Proportional to 12,741.45, 19,111.49 and 3,975.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,741.45 : 19,111.49 = 3,975.36 : x
2. Step 2: Convert to fraction form
   12,741.45/19,111.49 = 3,975.36/x
3. Step 3: Cross multiply
   12,741.45x = 19,111.49 × 3,975.36
4. Step 4: Simplify right side
   12,741.45x = 75,975,062.82
5. Step 5: Solve for x
   x = 75,975,062.82/12,741.45
6. Step 6: Final answer
   x = 5,962.83