Finding the Fourth Proportional to 1,055.37, 1,584.18 and 892.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,055.37 : 1,584.18 = 892.83 : x
2. Step 2: Convert to fraction form
   1,055.37/1,584.18 = 892.83/x
3. Step 3: Cross multiply
   1,055.37x = 1,584.18 × 892.83
4. Step 4: Simplify right side
   1,055.37x = 1,414,396.25
5. Step 5: Solve for x
   x = 1,414,396.25/1,055.37
6. Step 6: Final answer
   x = 1,340.19