Finding the Fourth Proportional to 2,288.59, 3,433.19 and 1,056.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.59 : 3,433.19 = 1,056.27 : x
2. Step 2: Convert to fraction form
   2,288.59/3,433.19 = 1,056.27/x
3. Step 3: Cross multiply
   2,288.59x = 3,433.19 × 1,056.27
4. Step 4: Simplify right side
   2,288.59x = 3,626,383.19
5. Step 5: Solve for x
   x = 3,626,383.19/2,288.59
6. Step 6: Final answer
   x = 1,584.55