Finding the Fourth Proportional to 2,022.12, 3,031.56 and 1,251

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.12 : 3,031.56 = 1,251 : x
2. Step 2: Convert to fraction form
   2,022.12/3,031.56 = 1,251/x
3. Step 3: Cross multiply
   2,022.12x = 3,031.56 × 1,251
4. Step 4: Simplify right side
   2,022.12x = 3,792,481.56
5. Step 5: Solve for x
   x = 3,792,481.56/2,022.12
6. Step 6: Final answer
   x = 1,875.50