Finding the Fourth Proportional to 1,316.82, 1,819.82 and 1,080.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,316.82 : 1,819.82 = 1,080.39 : x
2. Step 2: Convert to fraction form
   1,316.82/1,819.82 = 1,080.39/x
3. Step 3: Cross multiply
   1,316.82x = 1,819.82 × 1,080.39
4. Step 4: Simplify right side
   1,316.82x = 1,966,109.93
5. Step 5: Solve for x
   x = 1,966,109.93/1,316.82
6. Step 6: Final answer
   x = 1,493.07