Finding the Fourth Proportional to 2,021.50, 3,030.53 and 1,143.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.50 : 3,030.53 = 1,143.86 : x
2. Step 2: Convert to fraction form
   2,021.50/3,030.53 = 1,143.86/x
3. Step 3: Cross multiply
   2,021.50x = 3,030.53 × 1,143.86
4. Step 4: Simplify right side
   2,021.50x = 3,466,503.90
5. Step 5: Solve for x
   x = 3,466,503.90/2,021.50
6. Step 6: Final answer
   x = 1,714.82