Finding the Fourth Proportional to 2,037, 2,811.12 and 1,105.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037 : 2,811.12 = 1,105.56 : x
2. Step 2: Convert to fraction form
   2,037/2,811.12 = 1,105.56/x
3. Step 3: Cross multiply
   2,037x = 2,811.12 × 1,105.56
4. Step 4: Simplify right side
   2,037x = 3,107,861.83
5. Step 5: Solve for x
   x = 3,107,861.83/2,037
6. Step 6: Final answer
   x = 1,525.71