Finding the Fourth Proportional to 2,037.81, 2,812.18 and 1,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.81 : 2,812.18 = 1,106.31 : x
2. Step 2: Convert to fraction form
   2,037.81/2,812.18 = 1,106.31/x
3. Step 3: Cross multiply
   2,037.81x = 2,812.18 × 1,106.31
4. Step 4: Simplify right side
   2,037.81x = 3,111,142.86
5. Step 5: Solve for x
   x = 3,111,142.86/2,037.81
6. Step 6: Final answer
   x = 1,526.71