Finding the Fourth Proportional to 1,365.32, 1,884.18 and 805.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.32 : 1,884.18 = 805.50 : x
2. Step 2: Convert to fraction form
   1,365.32/1,884.18 = 805.50/x
3. Step 3: Cross multiply
   1,365.32x = 1,884.18 × 805.50
4. Step 4: Simplify right side
   1,365.32x = 1,517,706.99
5. Step 5: Solve for x
   x = 1,517,706.99/1,365.32
6. Step 6: Final answer
   x = 1,111.62