Finding the Fourth Proportional to 295,105, 407,244.90 and 160,969

Step by Step Solution

1. Step 1: Write the proportion equation
   295,105 : 407,244.90 = 160,969 : x
2. Step 2: Convert to fraction form
   295,105/407,244.90 = 160,969/x
3. Step 3: Cross multiply
   295,105x = 407,244.90 × 160,969
4. Step 4: Simplify right side
   295,105x = 65,553,804,308.10
5. Step 5: Solve for x
   x = 65,553,804,308.10/295,105
6. Step 6: Final answer
   x = 222,137.22