Finding the Fourth Proportional to 2,288.11, 3,155.61 and 1,491.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.11 : 3,155.61 = 1,491.14 : x
2. Step 2: Convert to fraction form
   2,288.11/3,155.61 = 1,491.14/x
3. Step 3: Cross multiply
   2,288.11x = 3,155.61 × 1,491.14
4. Step 4: Simplify right side
   2,288.11x = 4,705,456.30
5. Step 5: Solve for x
   x = 4,705,456.30/2,288.11
6. Step 6: Final answer
   x = 2,056.48