Finding the Fourth Proportional to 3,123.12, 4,667.10 and 2,729.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,123.12 : 4,667.10 = 2,729.52 : x
2. Step 2: Convert to fraction form
   3,123.12/4,667.10 = 2,729.52/x
3. Step 3: Cross multiply
   3,123.12x = 4,667.10 × 2,729.52
4. Step 4: Simplify right side
   3,123.12x = 12,738,942.79
5. Step 5: Solve for x
   x = 12,738,942.79/3,123.12
6. Step 6: Final answer
   x = 4,078.92