Finding the Fourth Proportional to 173,698.69, 260,367.38 and 67,155.82

Step by Step Solution

1. Step 1: Write the proportion equation
   173,698.69 : 260,367.38 = 67,155.82 : x
2. Step 2: Convert to fraction form
   173,698.69/260,367.38 = 67,155.82/x
3. Step 3: Cross multiply
   173,698.69x = 260,367.38 × 67,155.82
4. Step 4: Simplify right side
   173,698.69x = 17,485,183,603.31
5. Step 5: Solve for x
   x = 17,485,183,603.31/173,698.69
6. Step 6: Final answer
   x = 100,663.88