Finding the Fourth Proportional to 3,467.55, 4,786.82 and 2,142.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,467.55 : 4,786.82 = 2,142.03 : x
2. Step 2: Convert to fraction form
   3,467.55/4,786.82 = 2,142.03/x
3. Step 3: Cross multiply
   3,467.55x = 4,786.82 × 2,142.03
4. Step 4: Simplify right side
   3,467.55x = 10,253,501.33
5. Step 5: Solve for x
   x = 10,253,501.33/3,467.55
6. Step 6: Final answer
   x = 2,956.99