Finding the Fourth Proportional to 1,626.64, 2,244.72 and 928.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.64 : 2,244.72 = 928.24 : x
2. Step 2: Convert to fraction form
   1,626.64/2,244.72 = 928.24/x
3. Step 3: Cross multiply
   1,626.64x = 2,244.72 × 928.24
4. Step 4: Simplify right side
   1,626.64x = 2,083,638.89
5. Step 5: Solve for x
   x = 2,083,638.89/1,626.64
6. Step 6: Final answer
   x = 1,280.95