Finding the Fourth Proportional to 1,728.03, 2,384.99 and 1,019.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.03 : 2,384.99 = 1,019.82 : x
2. Step 2: Convert to fraction form
   1,728.03/2,384.99 = 1,019.82/x
3. Step 3: Cross multiply
   1,728.03x = 2,384.99 × 1,019.82
4. Step 4: Simplify right side
   1,728.03x = 2,432,255.40
5. Step 5: Solve for x
   x = 2,432,255.40/1,728.03
6. Step 6: Final answer
   x = 1,407.53