Finding the Fourth Proportional to 1,366.20, 1,884.82 and 841.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366.20 : 1,884.82 = 841.32 : x
2. Step 2: Convert to fraction form
   1,366.20/1,884.82 = 841.32/x
3. Step 3: Cross multiply
   1,366.20x = 1,884.82 × 841.32
4. Step 4: Simplify right side
   1,366.20x = 1,585,736.76
5. Step 5: Solve for x
   x = 1,585,736.76/1,366.20
6. Step 6: Final answer
   x = 1,160.69