Finding the Fourth Proportional to 2,667.84, 3,675.72 and 1,992.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.84 : 3,675.72 = 1,992.72 : x
2. Step 2: Convert to fraction form
   2,667.84/3,675.72 = 1,992.72/x
3. Step 3: Cross multiply
   2,667.84x = 3,675.72 × 1,992.72
4. Step 4: Simplify right side
   2,667.84x = 7,324,680.76
5. Step 5: Solve for x
   x = 7,324,680.76/2,667.84
6. Step 6: Final answer
   x = 2,745.55