Finding the Fourth Proportional to 2,288.52, 3,158.04 and 1,293.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,288.52 : 3,158.04 = 1,293.99 : x
2. Step 2: Convert to fraction form
   2,288.52/3,158.04 = 1,293.99/x
3. Step 3: Cross multiply
   2,288.52x = 3,158.04 × 1,293.99
4. Step 4: Simplify right side
   2,288.52x = 4,086,472.18
5. Step 5: Solve for x
   x = 4,086,472.18/2,288.52
6. Step 6: Final answer
   x = 1,785.64