Finding the Fourth Proportional to 1,365.06, 1,883.46 and 805.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.06 : 1,883.46 = 805.35 : x
2. Step 2: Convert to fraction form
   1,365.06/1,883.46 = 805.35/x
3. Step 3: Cross multiply
   1,365.06x = 1,883.46 × 805.35
4. Step 4: Simplify right side
   1,365.06x = 1,516,844.51
5. Step 5: Solve for x
   x = 1,516,844.51/1,365.06
6. Step 6: Final answer
   x = 1,111.19