Finding the Fourth Proportional to 2,971.72, 4,454.94 and 1,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,971.72 : 4,454.94 = 1,022.56 : x
2. Step 2: Convert to fraction form
   2,971.72/4,454.94 = 1,022.56/x
3. Step 3: Cross multiply
   2,971.72x = 4,454.94 × 1,022.56
4. Step 4: Simplify right side
   2,971.72x = 4,555,443.45
5. Step 5: Solve for x
   x = 4,555,443.45/2,971.72
6. Step 6: Final answer
   x = 1,532.93