Finding the Fourth Proportional to 123,550.92, 185,654.16 and 67,431.96

Step by Step Solution

1. Step 1: Write the proportion equation
   123,550.92 : 185,654.16 = 67,431.96 : x
2. Step 2: Convert to fraction form
   123,550.92/185,654.16 = 67,431.96/x
3. Step 3: Cross multiply
   123,550.92x = 185,654.16 × 67,431.96
4. Step 4: Simplify right side
   123,550.92x = 12,519,023,890.95
5. Step 5: Solve for x
   x = 12,519,023,890.95/123,550.92
6. Step 6: Final answer
   x = 101,326.84