Finding the Fourth Proportional to 331,151.99, 496,802.06 and 120,789.93

Step by Step Solution

1. Step 1: Write the proportion equation
   331,151.99 : 496,802.06 = 120,789.93 : x
2. Step 2: Convert to fraction form
   331,151.99/496,802.06 = 120,789.93/x
3. Step 3: Cross multiply
   331,151.99x = 496,802.06 × 120,789.93
4. Step 4: Simplify right side
   331,151.99x = 60,008,685,447.31
5. Step 5: Solve for x
   x = 60,008,685,447.31/331,151.99
6. Step 6: Final answer
   x = 181,211.92