Finding the Fourth Proportional to 1,395.29, 1,925.51 and 805.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.29 : 1,925.51 = 805.83 : x
2. Step 2: Convert to fraction form
   1,395.29/1,925.51 = 805.83/x
3. Step 3: Cross multiply
   1,395.29x = 1,925.51 × 805.83
4. Step 4: Simplify right side
   1,395.29x = 1,551,622.47
5. Step 5: Solve for x
   x = 1,551,622.47/1,395.29
6. Step 6: Final answer
   x = 1,112.04