Finding the Fourth Proportional to 1,495.15, 2,063.42 and 865.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.15 : 2,063.42 = 865.89 : x
2. Step 2: Convert to fraction form
   1,495.15/2,063.42 = 865.89/x
3. Step 3: Cross multiply
   1,495.15x = 2,063.42 × 865.89
4. Step 4: Simplify right side
   1,495.15x = 1,786,694.74
5. Step 5: Solve for x
   x = 1,786,694.74/1,495.15
6. Step 6: Final answer
   x = 1,194.99