Finding the Fourth Proportional to 1,712.54, 2,570.06 and 1,323.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,712.54 : 2,570.06 = 1,323.52 : x
2. Step 2: Convert to fraction form
   1,712.54/2,570.06 = 1,323.52/x
3. Step 3: Cross multiply
   1,712.54x = 2,570.06 × 1,323.52
4. Step 4: Simplify right side
   1,712.54x = 3,401,522.69
5. Step 5: Solve for x
   x = 3,401,522.69/1,712.54
6. Step 6: Final answer
   x = 1,986.24