Finding the Fourth Proportional to 154,667.98, 213,152.87 and 120,622.67

Step by Step Solution

1. Step 1: Write the proportion equation
   154,667.98 : 213,152.87 = 120,622.67 : x
2. Step 2: Convert to fraction form
   154,667.98/213,152.87 = 120,622.67/x
3. Step 3: Cross multiply
   154,667.98x = 213,152.87 × 120,622.67
4. Step 4: Simplify right side
   154,667.98x = 25,711,067,654.18
5. Step 5: Solve for x
   x = 25,711,067,654.18/154,667.98
6. Step 6: Final answer
   x = 166,233.94