Finding the Fourth Proportional to 2,288.63, 3,158.27 and 1,293.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.63 : 3,158.27 = 1,293.92 : x
2. Step 2: Convert to fraction form
   2,288.63/3,158.27 = 1,293.92/x
3. Step 3: Cross multiply
   2,288.63x = 3,158.27 × 1,293.92
4. Step 4: Simplify right side
   2,288.63x = 4,086,526.46
5. Step 5: Solve for x
   x = 4,086,526.46/2,288.63
6. Step 6: Final answer
   x = 1,785.58