Finding the Fourth Proportional to 1,777.89, 2,452.84 and 1,031.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.89 : 2,452.84 = 1,031.58 : x
2. Step 2: Convert to fraction form
   1,777.89/2,452.84 = 1,031.58/x
3. Step 3: Cross multiply
   1,777.89x = 2,452.84 × 1,031.58
4. Step 4: Simplify right side
   1,777.89x = 2,530,300.69
5. Step 5: Solve for x
   x = 2,530,300.69/1,777.89
6. Step 6: Final answer
   x = 1,423.20