Finding the Fourth Proportional to 2,037.17, 2,811.30 and 1,105.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.17 : 2,811.30 = 1,105.67 : x
2. Step 2: Convert to fraction form
   2,037.17/2,811.30 = 1,105.67/x
3. Step 3: Cross multiply
   2,037.17x = 2,811.30 × 1,105.67
4. Step 4: Simplify right side
   2,037.17x = 3,108,370.07
5. Step 5: Solve for x
   x = 3,108,370.07/2,037.17
6. Step 6: Final answer
   x = 1,525.83