Finding the Fourth Proportional to 296,139.76, 408,682.72 and 162,003.76

Step by Step Solution

1. Step 1: Write the proportion equation
   296,139.76 : 408,682.72 = 162,003.76 : x
2. Step 2: Convert to fraction form
   296,139.76/408,682.72 = 162,003.76/x
3. Step 3: Cross multiply
   296,139.76x = 408,682.72 × 162,003.76
4. Step 4: Simplify right side
   296,139.76x = 66,208,137,287.03
5. Step 5: Solve for x
   x = 66,208,137,287.03/296,139.76
6. Step 6: Final answer
   x = 223,570.58