Finding the Fourth Proportional to 1,395.03, 1,925.16 and 805.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,395.03 : 1,925.16 = 805.46 : x
2. Step 2: Convert to fraction form
   1,395.03/1,925.16 = 805.46/x
3. Step 3: Cross multiply
   1,395.03x = 1,925.16 × 805.46
4. Step 4: Simplify right side
   1,395.03x = 1,550,629.75
5. Step 5: Solve for x
   x = 1,550,629.75/1,395.03
6. Step 6: Final answer
   x = 1,111.54