Finding the Fourth Proportional to 1,738.18, 2,608.49 and 1,190.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,738.18 : 2,608.49 = 1,190.89 : x
2. Step 2: Convert to fraction form
   1,738.18/2,608.49 = 1,190.89/x
3. Step 3: Cross multiply
   1,738.18x = 2,608.49 × 1,190.89
4. Step 4: Simplify right side
   1,738.18x = 3,106,424.66
5. Step 5: Solve for x
   x = 3,106,424.66/1,738.18
6. Step 6: Final answer
   x = 1,787.17