Finding the Fourth Proportional to 2,088.80, 2,882.58 and 1,144.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,088.80 : 2,882.58 = 1,144.57 : x
2. Step 2: Convert to fraction form
   2,088.80/2,882.58 = 1,144.57/x
3. Step 3: Cross multiply
   2,088.80x = 2,882.58 × 1,144.57
4. Step 4: Simplify right side
   2,088.80x = 3,299,314.59
5. Step 5: Solve for x
   x = 3,299,314.59/2,088.80
6. Step 6: Final answer
   x = 1,579.53