Finding the Fourth Proportional to 1,738.53, 2,398.82 and 1,039.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.53 : 2,398.82 = 1,039.50 : x
2. Step 2: Convert to fraction form
   1,738.53/2,398.82 = 1,039.50/x
3. Step 3: Cross multiply
   1,738.53x = 2,398.82 × 1,039.50
4. Step 4: Simplify right side
   1,738.53x = 2,493,568.19
5. Step 5: Solve for x
   x = 2,493,568.19/1,738.53
6. Step 6: Final answer
   x = 1,434.30