Finding the Fourth Proportional to 2,050.75, 2,829.37 and 1,211.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,050.75 : 2,829.37 = 1,211.49 : x
2. Step 2: Convert to fraction form
   2,050.75/2,829.37 = 1,211.49/x
3. Step 3: Cross multiply
   2,050.75x = 2,829.37 × 1,211.49
4. Step 4: Simplify right side
   2,050.75x = 3,427,753.46
5. Step 5: Solve for x
   x = 3,427,753.46/2,050.75
6. Step 6: Final answer
   x = 1,671.46