Finding the Fourth Proportional to 1,495.30, 2,063.37 and 865.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.30 : 2,063.37 = 865.57 : x
2. Step 2: Convert to fraction form
   1,495.30/2,063.37 = 865.57/x
3. Step 3: Cross multiply
   1,495.30x = 2,063.37 × 865.57
4. Step 4: Simplify right side
   1,495.30x = 1,785,991.17
5. Step 5: Solve for x
   x = 1,785,991.17/1,495.30
6. Step 6: Final answer
   x = 1,194.40