Finding the Fourth Proportional to 1,778.05, 2,453.61 and 1,031.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778.05 : 2,453.61 = 1,031.98 : x
2. Step 2: Convert to fraction form
   1,778.05/2,453.61 = 1,031.98/x
3. Step 3: Cross multiply
   1,778.05x = 2,453.61 × 1,031.98
4. Step 4: Simplify right side
   1,778.05x = 2,532,076.45
5. Step 5: Solve for x
   x = 2,532,076.45/1,778.05
6. Step 6: Final answer
   x = 1,424.07