Finding the Fourth Proportional to 108,550.88, 149,873.32 and 67,777.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,550.88 : 149,873.32 = 67,777.09 : x
2. Step 2: Convert to fraction form
   108,550.88/149,873.32 = 67,777.09/x
3. Step 3: Cross multiply
   108,550.88x = 149,873.32 × 67,777.09
4. Step 4: Simplify right side
   108,550.88x = 10,157,977,498.24
5. Step 5: Solve for x
   x = 10,157,977,498.24/108,550.88
6. Step 6: Final answer
   x = 93,578.03