Finding the Fourth Proportional to 124,018.08, 171,144.56 and 67,429.60

Step by Step Solution

1. Step 1: Write the proportion equation
   124,018.08 : 171,144.56 = 67,429.60 : x
2. Step 2: Convert to fraction form
   124,018.08/171,144.56 = 67,429.60/x
3. Step 3: Cross multiply
   124,018.08x = 171,144.56 × 67,429.60
4. Step 4: Simplify right side
   124,018.08x = 11,540,209,222.98
5. Step 5: Solve for x
   x = 11,540,209,222.98/124,018.08
6. Step 6: Final answer
   x = 93,052.64