Finding the Fourth Proportional to 1,596.34, 2,389.69 and 863.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.34 : 2,389.69 = 863.69 : x
2. Step 2: Convert to fraction form
   1,596.34/2,389.69 = 863.69/x
3. Step 3: Cross multiply
   1,596.34x = 2,389.69 × 863.69
4. Step 4: Simplify right side
   1,596.34x = 2,063,955.17
5. Step 5: Solve for x
   x = 2,063,955.17/1,596.34
6. Step 6: Final answer
   x = 1,292.93