Finding the Fourth Proportional to 2,288.45, 3,157.76 and 1,491.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.45 : 3,157.76 = 1,491.41 : x
2. Step 2: Convert to fraction form
   2,288.45/3,157.76 = 1,491.41/x
3. Step 3: Cross multiply
   2,288.45x = 3,157.76 × 1,491.41
4. Step 4: Simplify right side
   2,288.45x = 4,709,502.78
5. Step 5: Solve for x
   x = 4,709,502.78/2,288.45
6. Step 6: Final answer
   x = 2,057.95