Finding the Fourth Proportional to 112,323.15, 168,400.49 and 67,940.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,323.15 : 168,400.49 = 67,940.82 : x
2. Step 2: Convert to fraction form
   112,323.15/168,400.49 = 67,940.82/x
3. Step 3: Cross multiply
   112,323.15x = 168,400.49 × 67,940.82
4. Step 4: Simplify right side
   112,323.15x = 11,441,267,039.30
5. Step 5: Solve for x
   x = 11,441,267,039.30/112,323.15
6. Step 6: Final answer
   x = 101,860.28