Finding the Fourth Proportional to 123,755.52, 170,782.71 and 67,166.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,755.52 : 170,782.71 = 67,166.88 : x
2. Step 2: Convert to fraction form
   123,755.52/170,782.71 = 67,166.88/x
3. Step 3: Cross multiply
   123,755.52x = 170,782.71 × 67,166.88
4. Step 4: Simplify right side
   123,755.52x = 11,470,941,788.64
5. Step 5: Solve for x
   x = 11,470,941,788.64/123,755.52
6. Step 6: Final answer
   x = 92,690.34