Finding the Fourth Proportional to 2,821.45, 4,233.03 and 1,262.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,821.45 : 4,233.03 = 1,262.76 : x
2. Step 2: Convert to fraction form
   2,821.45/4,233.03 = 1,262.76/x
3. Step 3: Cross multiply
   2,821.45x = 4,233.03 × 1,262.76
4. Step 4: Simplify right side
   2,821.45x = 5,345,300.96
5. Step 5: Solve for x
   x = 5,345,300.96/2,821.45
6. Step 6: Final answer
   x = 1,894.52