Finding the Fourth Proportional to 123,945.12, 171,047.52 and 67,356.54

Step by Step Solution

1. Step 1: Write the proportion equation
   123,945.12 : 171,047.52 = 67,356.54 : x
2. Step 2: Convert to fraction form
   123,945.12/171,047.52 = 67,356.54/x
3. Step 3: Cross multiply
   123,945.12x = 171,047.52 × 67,356.54
4. Step 4: Simplify right side
   123,945.12x = 11,521,169,122.78
5. Step 5: Solve for x
   x = 11,521,169,122.78/123,945.12
6. Step 6: Final answer
   x = 92,953.79