Finding the Fourth Proportional to 1,825.79, 2,519.24 and 1,039.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,825.79 : 2,519.24 = 1,039.82 : x
2. Step 2: Convert to fraction form
   1,825.79/2,519.24 = 1,039.82/x
3. Step 3: Cross multiply
   1,825.79x = 2,519.24 × 1,039.82
4. Step 4: Simplify right side
   1,825.79x = 2,619,538.34
5. Step 5: Solve for x
   x = 2,619,538.34/1,825.79
6. Step 6: Final answer
   x = 1,434.75