Finding the Fourth Proportional to 1,776.96, 2,452.49 and 1,031.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.96 : 2,452.49 = 1,031.37 : x
2. Step 2: Convert to fraction form
   1,776.96/2,452.49 = 1,031.37/x
3. Step 3: Cross multiply
   1,776.96x = 2,452.49 × 1,031.37
4. Step 4: Simplify right side
   1,776.96x = 2,529,419.45
5. Step 5: Solve for x
   x = 2,529,419.45/1,776.96
6. Step 6: Final answer
   x = 1,423.45