Finding the Fourth Proportional to 123,601.48, 185,401.86 and 106,911.88

Step by Step Solution

1. Step 1: Write the proportion equation
   123,601.48 : 185,401.86 = 106,911.88 : x
2. Step 2: Convert to fraction form
   123,601.48/185,401.86 = 106,911.88/x
3. Step 3: Cross multiply
   123,601.48x = 185,401.86 × 106,911.88
4. Step 4: Simplify right side
   123,601.48x = 19,821,661,408.10
5. Step 5: Solve for x
   x = 19,821,661,408.10/123,601.48
6. Step 6: Final answer
   x = 160,367.51