Finding the Fourth Proportional to 166,536.54, 229,815.72 and 91,083.42

Step by Step Solution

1. Step 1: Write the proportion equation
   166,536.54 : 229,815.72 = 91,083.42 : x
2. Step 2: Convert to fraction form
   166,536.54/229,815.72 = 91,083.42/x
3. Step 3: Cross multiply
   166,536.54x = 229,815.72 × 91,083.42
4. Step 4: Simplify right side
   166,536.54x = 20,932,401,747.36
5. Step 5: Solve for x
   x = 20,932,401,747.36/166,536.54
6. Step 6: Final answer
   x = 125,692.55