Finding the Fourth Proportional to 2,556.53, 3,832.41 and 997.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,556.53 : 3,832.41 = 997.55 : x
2. Step 2: Convert to fraction form
   2,556.53/3,832.41 = 997.55/x
3. Step 3: Cross multiply
   2,556.53x = 3,832.41 × 997.55
4. Step 4: Simplify right side
   2,556.53x = 3,823,020.60
5. Step 5: Solve for x
   x = 3,823,020.60/2,556.53
6. Step 6: Final answer
   x = 1,495.39