Finding the Fourth Proportional to 12,975, 19,463.22 and 3,741.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,975 : 19,463.22 = 3,741.72 : x
2. Step 2: Convert to fraction form
   12,975/19,463.22 = 3,741.72/x
3. Step 3: Cross multiply
   12,975x = 19,463.22 × 3,741.72
4. Step 4: Simplify right side
   12,975x = 72,825,919.54
5. Step 5: Solve for x
   x = 72,825,919.54/12,975
6. Step 6: Final answer
   x = 5,612.79