Finding the Fourth Proportional to 1,395.62, 1,926.16 and 806.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.62 : 1,926.16 = 806.14 : x
2. Step 2: Convert to fraction form
   1,395.62/1,926.16 = 806.14/x
3. Step 3: Cross multiply
   1,395.62x = 1,926.16 × 806.14
4. Step 4: Simplify right side
   1,395.62x = 1,552,754.62
5. Step 5: Solve for x
   x = 1,552,754.62/1,395.62
6. Step 6: Final answer
   x = 1,112.59