Finding the Fourth Proportional to 2,030.54, 2,800.78 and 1,589.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,030.54 : 2,800.78 = 1,589.90 : x
2. Step 2: Convert to fraction form
   2,030.54/2,800.78 = 1,589.90/x
3. Step 3: Cross multiply
   2,030.54x = 2,800.78 × 1,589.90
4. Step 4: Simplify right side
   2,030.54x = 4,452,942.14
5. Step 5: Solve for x
   x = 4,452,942.14/2,030.54
6. Step 6: Final answer
   x = 2,192.99