Finding the Fourth Proportional to 273,669.30, 410,309.55 and 123,981.30

Step by Step Solution

1. Step 1: Write the proportion equation
   273,669.30 : 410,309.55 = 123,981.30 : x
2. Step 2: Convert to fraction form
   273,669.30/410,309.55 = 123,981.30/x
3. Step 3: Cross multiply
   273,669.30x = 410,309.55 × 123,981.30
4. Step 4: Simplify right side
   273,669.30x = 50,870,711,411.42
5. Step 5: Solve for x
   x = 50,870,711,411.42/273,669.30
6. Step 6: Final answer
   x = 185,883.88