Finding the Fourth Proportional to 1,383.40, 2,077.98 and 1,096.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,383.40 : 2,077.98 = 1,096.84 : x
2. Step 2: Convert to fraction form
   1,383.40/2,077.98 = 1,096.84/x
3. Step 3: Cross multiply
   1,383.40x = 2,077.98 × 1,096.84
4. Step 4: Simplify right side
   1,383.40x = 2,279,211.58
5. Step 5: Solve for x
   x = 2,279,211.58/1,383.40
6. Step 6: Final answer
   x = 1,647.54