Finding the Fourth Proportional to 86,890.42, 119,910.60 and 49,164.67

Step by Step Solution

1. Step 1: Write the proportion equation
   86,890.42 : 119,910.60 = 49,164.67 : x
2. Step 2: Convert to fraction form
   86,890.42/119,910.60 = 49,164.67/x
3. Step 3: Cross multiply
   86,890.42x = 119,910.60 × 49,164.67
4. Step 4: Simplify right side
   86,890.42x = 5,895,365,078.50
5. Step 5: Solve for x
   x = 5,895,365,078.50/86,890.42
6. Step 6: Final answer
   x = 67,848.27