Finding the Fourth Proportional to 2,667.18, 3,997.52 and 1,022.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.18 : 3,997.52 = 1,022.34 : x
2. Step 2: Convert to fraction form
   2,667.18/3,997.52 = 1,022.34/x
3. Step 3: Cross multiply
   2,667.18x = 3,997.52 × 1,022.34
4. Step 4: Simplify right side
   2,667.18x = 4,086,824.60
5. Step 5: Solve for x
   x = 4,086,824.60/2,667.18
6. Step 6: Final answer
   x = 1,532.26