Finding the Fourth Proportional to 1,738.29, 2,603.47 and 1,087.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.29 : 2,603.47 = 1,087.41 : x
2. Step 2: Convert to fraction form
   1,738.29/2,603.47 = 1,087.41/x
3. Step 3: Cross multiply
   1,738.29x = 2,603.47 × 1,087.41
4. Step 4: Simplify right side
   1,738.29x = 2,831,039.31
5. Step 5: Solve for x
   x = 2,831,039.31/1,738.29
6. Step 6: Final answer
   x = 1,628.63