Finding the Fourth Proportional to 2,037.38, 2,811.60 and 1,105.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.38 : 2,811.60 = 1,105.88 : x
2. Step 2: Convert to fraction form
   2,037.38/2,811.60 = 1,105.88/x
3. Step 3: Cross multiply
   2,037.38x = 2,811.60 × 1,105.88
4. Step 4: Simplify right side
   2,037.38x = 3,109,278.15
5. Step 5: Solve for x
   x = 3,109,278.15/2,037.38
6. Step 6: Final answer
   x = 1,526.12