Finding the Fourth Proportional to 1,763.02, 2,640.75 and 1,144.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763.02 : 2,640.75 = 1,144.72 : x
2. Step 2: Convert to fraction form
   1,763.02/2,640.75 = 1,144.72/x
3. Step 3: Cross multiply
   1,763.02x = 2,640.75 × 1,144.72
4. Step 4: Simplify right side
   1,763.02x = 3,022,919.34
5. Step 5: Solve for x
   x = 3,022,919.34/1,763.02
6. Step 6: Final answer
   x = 1,714.63