Finding the Fourth Proportional to 268,111.05, 369,838.81 and 160,618.83

Step by Step Solution

1. Step 1: Write the proportion equation
   268,111.05 : 369,838.81 = 160,618.83 : x
2. Step 2: Convert to fraction form
   268,111.05/369,838.81 = 160,618.83/x
3. Step 3: Cross multiply
   268,111.05x = 369,838.81 × 160,618.83
4. Step 4: Simplify right side
   268,111.05x = 59,403,076,950.79
5. Step 5: Solve for x
   x = 59,403,076,950.79/268,111.05
6. Step 6: Final answer
   x = 221,561.46