Finding the Fourth Proportional to 2,667.04, 3,997.98 and 1,022.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.04 : 3,997.98 = 1,022.32 : x
2. Step 2: Convert to fraction form
   2,667.04/3,997.98 = 1,022.32/x
3. Step 3: Cross multiply
   2,667.04x = 3,997.98 × 1,022.32
4. Step 4: Simplify right side
   2,667.04x = 4,087,214.91
5. Step 5: Solve for x
   x = 4,087,214.91/2,667.04
6. Step 6: Final answer
   x = 1,532.49