Finding the Fourth Proportional to 164,665.66, 227,121.81 and 139,405.81

Step by Step Solution

1. Step 1: Write the proportion equation
   164,665.66 : 227,121.81 = 139,405.81 : x
2. Step 2: Convert to fraction form
   164,665.66/227,121.81 = 139,405.81/x
3. Step 3: Cross multiply
   164,665.66x = 227,121.81 × 139,405.81
4. Step 4: Simplify right side
   164,665.66x = 31,662,099,891.72
5. Step 5: Solve for x
   x = 31,662,099,891.72/164,665.66
6. Step 6: Final answer
   x = 192,281.13