Finding the Fourth Proportional to 331,012.63, 496,471.56 and 106,344.15

Step by Step Solution

1. Step 1: Write the proportion equation
   331,012.63 : 496,471.56 = 106,344.15 : x
2. Step 2: Convert to fraction form
   331,012.63/496,471.56 = 106,344.15/x
3. Step 3: Cross multiply
   331,012.63x = 496,471.56 × 106,344.15
4. Step 4: Simplify right side
   331,012.63x = 52,796,846,047.37
5. Step 5: Solve for x
   x = 52,796,846,047.37/331,012.63
6. Step 6: Final answer
   x = 159,501.00