Finding the Fourth Proportional to 2,288.46, 3,157.83 and 1,293.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.46 : 3,157.83 = 1,293.69 : x
2. Step 2: Convert to fraction form
   2,288.46/3,157.83 = 1,293.69/x
3. Step 3: Cross multiply
   2,288.46x = 3,157.83 × 1,293.69
4. Step 4: Simplify right side
   2,288.46x = 4,085,253.09
5. Step 5: Solve for x
   x = 4,085,253.09/2,288.46
6. Step 6: Final answer
   x = 1,785.15