Finding the Fourth Proportional to 1,722.56, 2,583.54 and 798.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,722.56 : 2,583.54 = 798.03 : x
2. Step 2: Convert to fraction form
   1,722.56/2,583.54 = 798.03/x
3. Step 3: Cross multiply
   1,722.56x = 2,583.54 × 798.03
4. Step 4: Simplify right side
   1,722.56x = 2,061,742.43
5. Step 5: Solve for x
   x = 2,061,742.43/1,722.56
6. Step 6: Final answer
   x = 1,196.91