Finding the Fourth Proportional to 2,028.87, 2,800.01 and 1,144.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,028.87 : 2,800.01 = 1,144.86 : x
2. Step 2: Convert to fraction form
   2,028.87/2,800.01 = 1,144.86/x
3. Step 3: Cross multiply
   2,028.87x = 2,800.01 × 1,144.86
4. Step 4: Simplify right side
   2,028.87x = 3,205,619.45
5. Step 5: Solve for x
   x = 3,205,619.45/2,028.87
6. Step 6: Final answer
   x = 1,580.00