Finding the Fourth Proportional to 2,119.32, 3,174.06 and 1,020.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.32 : 3,174.06 = 1,020.12 : x
2. Step 2: Convert to fraction form
   2,119.32/3,174.06 = 1,020.12/x
3. Step 3: Cross multiply
   2,119.32x = 3,174.06 × 1,020.12
4. Step 4: Simplify right side
   2,119.32x = 3,237,922.09
5. Step 5: Solve for x
   x = 3,237,922.09/2,119.32
6. Step 6: Final answer
   x = 1,527.81