Finding the Fourth Proportional to 294,635.69, 406,597.31 and 160,499.69

Step by Step Solution

1. Step 1: Write the proportion equation
   294,635.69 : 406,597.31 = 160,499.69 : x
2. Step 2: Convert to fraction form
   294,635.69/406,597.31 = 160,499.69/x
3. Step 3: Cross multiply
   294,635.69x = 406,597.31 × 160,499.69
4. Step 4: Simplify right side
   294,635.69x = 65,258,740,578.10
5. Step 5: Solve for x
   x = 65,258,740,578.10/294,635.69
6. Step 6: Final answer
   x = 221,489.60