Finding the Fourth Proportional to 2,119.60, 3,182.48 and 1,196.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.60 : 3,182.48 = 1,196.96 : x
2. Step 2: Convert to fraction form
   2,119.60/3,182.48 = 1,196.96/x
3. Step 3: Cross multiply
   2,119.60x = 3,182.48 × 1,196.96
4. Step 4: Simplify right side
   2,119.60x = 3,809,301.26
5. Step 5: Solve for x
   x = 3,809,301.26/2,119.60
6. Step 6: Final answer
   x = 1,797.18