Finding the Fourth Proportional to 2,277, 3,142.26 and 1,491.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,277 : 3,142.26 = 1,491.30 : x
2. Step 2: Convert to fraction form
   2,277/3,142.26 = 1,491.30/x
3. Step 3: Cross multiply
   2,277x = 3,142.26 × 1,491.30
4. Step 4: Simplify right side
   2,277x = 4,686,052.34
5. Step 5: Solve for x
   x = 4,686,052.34/2,277
6. Step 6: Final answer
   x = 2,057.99