Finding the Fourth Proportional to 1,825.98, 2,519.82 and 1,039.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.98 : 2,519.82 = 1,039.92 : x
2. Step 2: Convert to fraction form
   1,825.98/2,519.82 = 1,039.92/x
3. Step 3: Cross multiply
   1,825.98x = 2,519.82 × 1,039.92
4. Step 4: Simplify right side
   1,825.98x = 2,620,411.21
5. Step 5: Solve for x
   x = 2,620,411.21/1,825.98
6. Step 6: Final answer
   x = 1,435.07