Finding the Fourth Proportional to 2,040.39, 3,059.04 and 1,052.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040.39 : 3,059.04 = 1,052.15 : x
2. Step 2: Convert to fraction form
   2,040.39/3,059.04 = 1,052.15/x
3. Step 3: Cross multiply
   2,040.39x = 3,059.04 × 1,052.15
4. Step 4: Simplify right side
   2,040.39x = 3,218,553.64
5. Step 5: Solve for x
   x = 3,218,553.64/2,040.39
6. Step 6: Final answer
   x = 1,577.42