Finding the Fourth Proportional to 3,054.24, 4,558.77 and 2,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,054.24 : 4,558.77 = 2,667.42 : x
2. Step 2: Convert to fraction form
   3,054.24/4,558.77 = 2,667.42/x
3. Step 3: Cross multiply
   3,054.24x = 4,558.77 × 2,667.42
4. Step 4: Simplify right side
   3,054.24x = 12,160,154.27
5. Step 5: Solve for x
   x = 12,160,154.27/3,054.24
6. Step 6: Final answer
   x = 3,981.40