Finding the Fourth Proportional to 1,452.72, 2,173.68 and 868.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,452.72 : 2,173.68 = 868.04 : x
2. Step 2: Convert to fraction form
   1,452.72/2,173.68 = 868.04/x
3. Step 3: Cross multiply
   1,452.72x = 2,173.68 × 868.04
4. Step 4: Simplify right side
   1,452.72x = 1,886,841.19
5. Step 5: Solve for x
   x = 1,886,841.19/1,452.72
6. Step 6: Final answer
   x = 1,298.83