Finding the Fourth Proportional to 123,996, 171,114.06 and 67,406.98

Step by Step Solution

1. Step 1: Write the proportion equation
   123,996 : 171,114.06 = 67,406.98 : x
2. Step 2: Convert to fraction form
   123,996/171,114.06 = 67,406.98/x
3. Step 3: Cross multiply
   123,996x = 171,114.06 × 67,406.98
4. Step 4: Simplify right side
   123,996x = 11,534,282,020.14
5. Step 5: Solve for x
   x = 11,534,282,020.14/123,996
6. Step 6: Final answer
   x = 93,021.40