Finding the Fourth Proportional to 13,175.72, 19,766.46 and 3,942.44

Step by Step Solution

1. Step 1: Write the proportion equation
   13,175.72 : 19,766.46 = 3,942.44 : x
2. Step 2: Convert to fraction form
   13,175.72/19,766.46 = 3,942.44/x
3. Step 3: Cross multiply
   13,175.72x = 19,766.46 × 3,942.44
4. Step 4: Simplify right side
   13,175.72x = 77,928,082.56
5. Step 5: Solve for x
   x = 77,928,082.56/13,175.72
6. Step 6: Final answer
   x = 5,914.52