Finding the Fourth Proportional to 120,826.12, 166,737.72 and 67,108.72

Step by Step Solution

1. Step 1: Write the proportion equation
   120,826.12 : 166,737.72 = 67,108.72 : x
2. Step 2: Convert to fraction form
   120,826.12/166,737.72 = 67,108.72/x
3. Step 3: Cross multiply
   120,826.12x = 166,737.72 × 67,108.72
4. Step 4: Simplify right side
   120,826.12x = 11,189,554,964.92
5. Step 5: Solve for x
   x = 11,189,554,964.92/120,826.12
6. Step 6: Final answer
   x = 92,608.74