Finding the Fourth Proportional to 108,778.49, 150,133.50 and 68,504.89

Step by Step Solution

1. Step 1: Write the proportion equation
   108,778.49 : 150,133.50 = 68,504.89 : x
2. Step 2: Convert to fraction form
   108,778.49/150,133.50 = 68,504.89/x
3. Step 3: Cross multiply
   108,778.49x = 150,133.50 × 68,504.89
4. Step 4: Simplify right side
   108,778.49x = 10,284,878,808.98
5. Step 5: Solve for x
   x = 10,284,878,808.98/108,778.49
6. Step 6: Final answer
   x = 94,548.82