Finding the Fourth Proportional to 2,522.64, 3,786.16 and 984.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.64 : 3,786.16 = 984.72 : x
2. Step 2: Convert to fraction form
   2,522.64/3,786.16 = 984.72/x
3. Step 3: Cross multiply
   2,522.64x = 3,786.16 × 984.72
4. Step 4: Simplify right side
   2,522.64x = 3,728,307.48
5. Step 5: Solve for x
   x = 3,728,307.48/2,522.64
6. Step 6: Final answer
   x = 1,477.94