Finding the Fourth Proportional to 108,549.88, 149,871.94 and 67,776.09

Step by Step Solution

1. Step 1: Write the proportion equation
   108,549.88 : 149,871.94 = 67,776.09 : x
2. Step 2: Convert to fraction form
   108,549.88/149,871.94 = 67,776.09/x
3. Step 3: Cross multiply
   108,549.88x = 149,871.94 × 67,776.09
4. Step 4: Simplify right side
   108,549.88x = 10,157,734,093.91
5. Step 5: Solve for x
   x = 10,157,734,093.91/108,549.88
6. Step 6: Final answer
   x = 93,576.65