Finding the Fourth Proportional to 294,426.56, 406,308.72 and 160,290.56

Step by Step Solution

1. Step 1: Write the proportion equation
   294,426.56 : 406,308.72 = 160,290.56 : x
2. Step 2: Convert to fraction form
   294,426.56/406,308.72 = 160,290.56/x
3. Step 3: Cross multiply
   294,426.56x = 406,308.72 × 160,290.56
4. Step 4: Simplify right side
   294,426.56x = 65,127,452,261.68
5. Step 5: Solve for x
   x = 65,127,452,261.68/294,426.56
6. Step 6: Final answer
   x = 221,201.01