Finding the Fourth Proportional to 164,664.66, 227,120.43 and 139,404.81

Step by Step Solution

1. Step 1: Write the proportion equation
   164,664.66 : 227,120.43 = 139,404.81 : x
2. Step 2: Convert to fraction form
   164,664.66/227,120.43 = 139,404.81/x
3. Step 3: Cross multiply
   164,664.66x = 227,120.43 × 139,404.81
4. Step 4: Simplify right side
   164,664.66x = 31,661,680,391.27
5. Step 5: Solve for x
   x = 31,661,680,391.27/164,664.66
6. Step 6: Final answer
   x = 192,279.75