Finding the Fourth Proportional to 647,196.02, 971,231.43 and 226,475.54

Step by Step Solution

1. Step 1: Write the proportion equation
   647,196.02 : 971,231.43 = 226,475.54 : x
2. Step 2: Convert to fraction form
   647,196.02/971,231.43 = 226,475.54/x
3. Step 3: Cross multiply
   647,196.02x = 971,231.43 × 226,475.54
4. Step 4: Simplify right side
   647,196.02x = 219,960,162,574.22
5. Step 5: Solve for x
   x = 219,960,162,574.22/647,196.02
6. Step 6: Final answer
   x = 339,866.37