Finding the Fourth Proportional to 1,594.43, 2,392.59 and 863.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,594.43 : 2,392.59 = 863.99 : x
2. Step 2: Convert to fraction form
   1,594.43/2,392.59 = 863.99/x
3. Step 3: Cross multiply
   1,594.43x = 2,392.59 × 863.99
4. Step 4: Simplify right side
   1,594.43x = 2,067,173.83
5. Step 5: Solve for x
   x = 2,067,173.83/1,594.43
6. Step 6: Final answer
   x = 1,296.50