Finding the Fourth Proportional to 123,968.70, 171,076.78 and 73,667.70

Step by Step Solution

1. Step 1: Write the proportion equation
   123,968.70 : 171,076.78 = 73,667.70 : x
2. Step 2: Convert to fraction form
   123,968.70/171,076.78 = 73,667.70/x
3. Step 3: Cross multiply
   123,968.70x = 171,076.78 × 73,667.70
4. Step 4: Simplify right side
   123,968.70x = 12,602,832,906.01
5. Step 5: Solve for x
   x = 12,602,832,906.01/123,968.70
6. Step 6: Final answer
   x = 101,661.41