Finding the Fourth Proportional to 123,945.45, 171,044.70 and 67,356.81

Step by Step Solution

1. Step 1: Write the proportion equation
   123,945.45 : 171,044.70 = 67,356.81 : x
2. Step 2: Convert to fraction form
   123,945.45/171,044.70 = 67,356.81/x
3. Step 3: Cross multiply
   123,945.45x = 171,044.70 × 67,356.81
4. Step 4: Simplify right side
   123,945.45x = 11,521,025,359.41
5. Step 5: Solve for x
   x = 11,521,025,359.41/123,945.45
6. Step 6: Final answer
   x = 92,952.39