Finding the Fourth Proportional to 356,003.28, 534,056.76 and 106,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   356,003.28 : 534,056.76 = 106,704.72 : x
2. Step 2: Convert to fraction form
   356,003.28/534,056.76 = 106,704.72/x
3. Step 3: Cross multiply
   356,003.28x = 534,056.76 × 106,704.72
4. Step 4: Simplify right side
   356,003.28x = 56,986,377,039.91
5. Step 5: Solve for x
   x = 56,986,377,039.91/356,003.28
6. Step 6: Final answer
   x = 160,072.62