Finding the Fourth Proportional to 1,333.56, 1,840.32 and 809.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.56 : 1,840.32 = 809.48 : x
2. Step 2: Convert to fraction form
   1,333.56/1,840.32 = 809.48/x
3. Step 3: Cross multiply
   1,333.56x = 1,840.32 × 809.48
4. Step 4: Simplify right side
   1,333.56x = 1,489,702.23
5. Step 5: Solve for x
   x = 1,489,702.23/1,333.56
6. Step 6: Final answer
   x = 1,117.09