Finding the Fourth Proportional to 296,464.66, 409,120.72 and 160,498.56

Step by Step Solution

1. Step 1: Write the proportion equation
   296,464.66 : 409,120.72 = 160,498.56 : x
2. Step 2: Convert to fraction form
   296,464.66/409,120.72 = 160,498.56/x
3. Step 3: Cross multiply
   296,464.66x = 409,120.72 × 160,498.56
4. Step 4: Simplify right side
   296,464.66x = 65,663,286,426.16
5. Step 5: Solve for x
   x = 65,663,286,426.16/296,464.66
6. Step 6: Final answer
   x = 221,487.74