Finding the Fourth Proportional to 1,495.16, 2,063.12 and 831.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.16 : 2,063.12 = 831.96 : x
2. Step 2: Convert to fraction form
   1,495.16/2,063.12 = 831.96/x
3. Step 3: Cross multiply
   1,495.16x = 2,063.12 × 831.96
4. Step 4: Simplify right side
   1,495.16x = 1,716,433.32
5. Step 5: Solve for x
   x = 1,716,433.32/1,495.16
6. Step 6: Final answer
   x = 1,147.99