Finding the Fourth Proportional to 220,155.86, 303,825.59 and 124,660.50

Step by Step Solution

1. Step 1: Write the proportion equation
   220,155.86 : 303,825.59 = 124,660.50 : x
2. Step 2: Convert to fraction form
   220,155.86/303,825.59 = 124,660.50/x
3. Step 3: Cross multiply
   220,155.86x = 303,825.59 × 124,660.50
4. Step 4: Simplify right side
   220,155.86x = 37,875,049,338.89
5. Step 5: Solve for x
   x = 37,875,049,338.89/220,155.86
6. Step 6: Final answer
   x = 172,037.44