Finding the Fourth Proportional to 1,362.32, 1,879.88 and 920.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362.32 : 1,879.88 = 920.82 : x
2. Step 2: Convert to fraction form
   1,362.32/1,879.88 = 920.82/x
3. Step 3: Cross multiply
   1,362.32x = 1,879.88 × 920.82
4. Step 4: Simplify right side
   1,362.32x = 1,731,017.10
5. Step 5: Solve for x
   x = 1,731,017.10/1,362.32
6. Step 6: Final answer
   x = 1,270.64