Finding the Fourth Proportional to 1,728.73, 2,384.96 and 1,064.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.73 : 2,384.96 = 1,064.43 : x
2. Step 2: Convert to fraction form
   1,728.73/2,384.96 = 1,064.43/x
3. Step 3: Cross multiply
   1,728.73x = 2,384.96 × 1,064.43
4. Step 4: Simplify right side
   1,728.73x = 2,538,611.05
5. Step 5: Solve for x
   x = 2,538,611.05/1,728.73
6. Step 6: Final answer
   x = 1,468.49