Finding the Fourth Proportional to 1,080.46, 1,488.15 and 932.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,080.46 : 1,488.15 = 932.83 : x
2. Step 2: Convert to fraction form
   1,080.46/1,488.15 = 932.83/x
3. Step 3: Cross multiply
   1,080.46x = 1,488.15 × 932.83
4. Step 4: Simplify right side
   1,080.46x = 1,388,190.96
5. Step 5: Solve for x
   x = 1,388,190.96/1,080.46
6. Step 6: Final answer
   x = 1,284.81