Finding the Fourth Proportional to 2,283.72, 3,426.84 and 1,129.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,283.72 : 3,426.84 = 1,129.56 : x
2. Step 2: Convert to fraction form
   2,283.72/3,426.84 = 1,129.56/x
3. Step 3: Cross multiply
   2,283.72x = 3,426.84 × 1,129.56
4. Step 4: Simplify right side
   2,283.72x = 3,870,821.39
5. Step 5: Solve for x
   x = 3,870,821.39/2,283.72
6. Step 6: Final answer
   x = 1,694.96