Finding the Fourth Proportional to 1,728.71, 2,582.05 and 1,563.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,728.71 : 2,582.05 = 1,563.93 : x
2. Step 2: Convert to fraction form
   1,728.71/2,582.05 = 1,563.93/x
3. Step 3: Cross multiply
   1,728.71x = 2,582.05 × 1,563.93
4. Step 4: Simplify right side
   1,728.71x = 4,038,145.46
5. Step 5: Solve for x
   x = 4,038,145.46/1,728.71
6. Step 6: Final answer
   x = 2,335.93