Finding the Fourth Proportional to 122,318.72, 168,801.22 and 67,871.88

Step by Step Solution

1. Step 1: Write the proportion equation
   122,318.72 : 168,801.22 = 67,871.88 : x
2. Step 2: Convert to fraction form
   122,318.72/168,801.22 = 67,871.88/x
3. Step 3: Cross multiply
   122,318.72x = 168,801.22 × 67,871.88
4. Step 4: Simplify right side
   122,318.72x = 11,456,856,147.69
5. Step 5: Solve for x
   x = 11,456,856,147.69/122,318.72
6. Step 6: Final answer
   x = 93,663.96