Finding the Fourth Proportional to 2,667.64, 3,996.64 and 1,433.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.64 : 3,996.64 = 1,433.76 : x
2. Step 2: Convert to fraction form
   2,667.64/3,996.64 = 1,433.76/x
3. Step 3: Cross multiply
   2,667.64x = 3,996.64 × 1,433.76
4. Step 4: Simplify right side
   2,667.64x = 5,730,222.57
5. Step 5: Solve for x
   x = 5,730,222.57/2,667.64
6. Step 6: Final answer
   x = 2,148.05