Finding the Fourth Proportional to 3,022.82, 4,532.55 and 1,172.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,022.82 : 4,532.55 = 1,172.78 : x
2. Step 2: Convert to fraction form
   3,022.82/4,532.55 = 1,172.78/x
3. Step 3: Cross multiply
   3,022.82x = 4,532.55 × 1,172.78
4. Step 4: Simplify right side
   3,022.82x = 5,315,683.99
5. Step 5: Solve for x
   x = 5,315,683.99/3,022.82
6. Step 6: Final answer
   x = 1,758.52