Finding the Fourth Proportional to 1,744.03, 2,408.59 and 1,219.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,744.03 : 2,408.59 = 1,219.15 : x
2. Step 2: Convert to fraction form
   1,744.03/2,408.59 = 1,219.15/x
3. Step 3: Cross multiply
   1,744.03x = 2,408.59 × 1,219.15
4. Step 4: Simplify right side
   1,744.03x = 2,936,430.18
5. Step 5: Solve for x
   x = 2,936,430.18/1,744.03
6. Step 6: Final answer
   x = 1,683.70