Finding the Fourth Proportional to 2,234.88, 3,081.33 and 1,667.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,234.88 : 3,081.33 = 1,667.88 : x
2. Step 2: Convert to fraction form
   2,234.88/3,081.33 = 1,667.88/x
3. Step 3: Cross multiply
   2,234.88x = 3,081.33 × 1,667.88
4. Step 4: Simplify right side
   2,234.88x = 5,139,288.68
5. Step 5: Solve for x
   x = 5,139,288.68/2,234.88
6. Step 6: Final answer
   x = 2,299.58