Finding the Fourth Proportional to 1,333.82, 1,839.63 and 855.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.82 : 1,839.63 = 855.32 : x
2. Step 2: Convert to fraction form
   1,333.82/1,839.63 = 855.32/x
3. Step 3: Cross multiply
   1,333.82x = 1,839.63 × 855.32
4. Step 4: Simplify right side
   1,333.82x = 1,573,461.65
5. Step 5: Solve for x
   x = 1,573,461.65/1,333.82
6. Step 6: Final answer
   x = 1,179.67