Finding the Fourth Proportional to 2,945.82, 4,419.20 and 1,097.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,945.82 : 4,419.20 = 1,097.20 : x
2. Step 2: Convert to fraction form
   2,945.82/4,419.20 = 1,097.20/x
3. Step 3: Cross multiply
   2,945.82x = 4,419.20 × 1,097.20
4. Step 4: Simplify right side
   2,945.82x = 4,848,746.24
5. Step 5: Solve for x
   x = 4,848,746.24/2,945.82
6. Step 6: Final answer
   x = 1,645.98