Finding the Fourth Proportional to 123,974.60, 171,128.82 and 73,673

Step by Step Solution

1. Step 1: Write the proportion equation
   123,974.60 : 171,128.82 = 73,673 : x
2. Step 2: Convert to fraction form
   123,974.60/171,128.82 = 73,673/x
3. Step 3: Cross multiply
   123,974.60x = 171,128.82 × 73,673
4. Step 4: Simplify right side
   123,974.60x = 12,607,573,555.86
5. Step 5: Solve for x
   x = 12,607,573,555.86/123,974.60
6. Step 6: Final answer
   x = 101,694.81