Finding the Fourth Proportional to 2,667.08, 3,679.56 and 1,618.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.08 : 3,679.56 = 1,618.76 : x
2. Step 2: Convert to fraction form
   2,667.08/3,679.56 = 1,618.76/x
3. Step 3: Cross multiply
   2,667.08x = 3,679.56 × 1,618.76
4. Step 4: Simplify right side
   2,667.08x = 5,956,324.55
5. Step 5: Solve for x
   x = 5,956,324.55/2,667.08
6. Step 6: Final answer
   x = 2,233.28