Finding the Fourth Proportional to 12,771.96, 19,165.59 and 5,375.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,771.96 : 19,165.59 = 5,375.94 : x
2. Step 2: Convert to fraction form
   12,771.96/19,165.59 = 5,375.94/x
3. Step 3: Cross multiply
   12,771.96x = 19,165.59 × 5,375.94
4. Step 4: Simplify right side
   12,771.96x = 103,033,061.90
5. Step 5: Solve for x
   x = 103,033,061.90/12,771.96
6. Step 6: Final answer
   x = 8,067.13