Finding the Fourth Proportional to 2,788.45, 4,179.51 and 1,144.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.45 : 4,179.51 = 1,144.09 : x
2. Step 2: Convert to fraction form
   2,788.45/4,179.51 = 1,144.09/x
3. Step 3: Cross multiply
   2,788.45x = 4,179.51 × 1,144.09
4. Step 4: Simplify right side
   2,788.45x = 4,781,735.60
5. Step 5: Solve for x
   x = 4,781,735.60/2,788.45
6. Step 6: Final answer
   x = 1,714.84