Finding the Fourth Proportional to 120,839.32, 166,754.82 and 67,123

Step by Step Solution

1. Step 1: Write the proportion equation
   120,839.32 : 166,754.82 = 67,123 : x
2. Step 2: Convert to fraction form
   120,839.32/166,754.82 = 67,123/x
3. Step 3: Cross multiply
   120,839.32x = 166,754.82 × 67,123
4. Step 4: Simplify right side
   120,839.32x = 11,193,083,782.86
5. Step 5: Solve for x
   x = 11,193,083,782.86/120,839.32
6. Step 6: Final answer
   x = 92,627.83