Finding the Fourth Proportional to 123,755.34, 170,782.83 and 67,166.72

Step by Step Solution

1. Step 1: Write the proportion equation
   123,755.34 : 170,782.83 = 67,166.72 : x
2. Step 2: Convert to fraction form
   123,755.34/170,782.83 = 67,166.72/x
3. Step 3: Cross multiply
   123,755.34x = 170,782.83 × 67,166.72
4. Step 4: Simplify right side
   123,755.34x = 11,470,922,309.94
5. Step 5: Solve for x
   x = 11,470,922,309.94/123,755.34
6. Step 6: Final answer
   x = 92,690.32