Finding the Fourth Proportional to 2,018.32, 3,020.96 and 1,043.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.32 : 3,020.96 = 1,043.08 : x
2. Step 2: Convert to fraction form
   2,018.32/3,020.96 = 1,043.08/x
3. Step 3: Cross multiply
   2,018.32x = 3,020.96 × 1,043.08
4. Step 4: Simplify right side
   2,018.32x = 3,151,087.85
5. Step 5: Solve for x
   x = 3,151,087.85/2,018.32
6. Step 6: Final answer
   x = 1,561.25