Finding the Fourth Proportional to 2,073.75, 2,861.82 and 1,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.75 : 2,861.82 = 1,142.25 : x
2. Step 2: Convert to fraction form
   2,073.75/2,861.82 = 1,142.25/x
3. Step 3: Cross multiply
   2,073.75x = 2,861.82 × 1,142.25
4. Step 4: Simplify right side
   2,073.75x = 3,268,913.90
5. Step 5: Solve for x
   x = 3,268,913.90/2,073.75
6. Step 6: Final answer
   x = 1,576.33