Finding the Fourth Proportional to 123,940.22, 171,038.67 and 73,629.50

Step by Step Solution

1. Step 1: Write the proportion equation
   123,940.22 : 171,038.67 = 73,629.50 : x
2. Step 2: Convert to fraction form
   123,940.22/171,038.67 = 73,629.50/x
3. Step 3: Cross multiply
   123,940.22x = 171,038.67 × 73,629.50
4. Step 4: Simplify right side
   123,940.22x = 12,593,491,752.77
5. Step 5: Solve for x
   x = 12,593,491,752.77/123,940.22
6. Step 6: Final answer
   x = 101,609.40