Finding the Fourth Proportional to 123,996.06, 171,113.85 and 67,406.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,996.06 : 171,113.85 = 67,406.22 : x
2. Step 2: Convert to fraction form
   123,996.06/171,113.85 = 67,406.22/x
3. Step 3: Cross multiply
   123,996.06x = 171,113.85 × 67,406.22
4. Step 4: Simplify right side
   123,996.06x = 11,534,137,818.15
5. Step 5: Solve for x
   x = 11,534,137,818.15/123,996.06
6. Step 6: Final answer
   x = 93,020.20