Finding the Fourth Proportional to 1,777.56, 2,452.98 and 1,031.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.56 : 2,452.98 = 1,031.55 : x
2. Step 2: Convert to fraction form
   1,777.56/2,452.98 = 1,031.55/x
3. Step 3: Cross multiply
   1,777.56x = 2,452.98 × 1,031.55
4. Step 4: Simplify right side
   1,777.56x = 2,530,371.52
5. Step 5: Solve for x
   x = 2,530,371.52/1,777.56
6. Step 6: Final answer
   x = 1,423.51