Finding the Fourth Proportional to 65,174.42, 89,942.60 and 36,879.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,174.42 : 89,942.60 = 36,879.50 : x
2. Step 2: Convert to fraction form
   65,174.42/89,942.60 = 36,879.50/x
3. Step 3: Cross multiply
   65,174.42x = 89,942.60 × 36,879.50
4. Step 4: Simplify right side
   65,174.42x = 3,317,038,116.70
5. Step 5: Solve for x
   x = 3,317,038,116.70/65,174.42
6. Step 6: Final answer
   x = 50,894.79