Finding the Fourth Proportional to 124,196.80, 171,392.40 and 67,608.88

Step by Step Solution

1. Step 1: Write the proportion equation
   124,196.80 : 171,392.40 = 67,608.88 : x
2. Step 2: Convert to fraction form
   124,196.80/171,392.40 = 67,608.88/x
3. Step 3: Cross multiply
   124,196.80x = 171,392.40 × 67,608.88
4. Step 4: Simplify right side
   124,196.80x = 11,587,648,204.51
5. Step 5: Solve for x
   x = 11,587,648,204.51/124,196.80
6. Step 6: Final answer
   x = 93,300.70