Finding the Fourth Proportional to 65,231.42, 90,019.72 and 36,942.62

Step by Step Solution

1. Step 1: Write the proportion equation
   65,231.42 : 90,019.72 = 36,942.62 : x
2. Step 2: Convert to fraction form
   65,231.42/90,019.72 = 36,942.62/x
3. Step 3: Cross multiply
   65,231.42x = 90,019.72 × 36,942.62
4. Step 4: Simplify right side
   65,231.42x = 3,325,564,308.47
5. Step 5: Solve for x
   x = 3,325,564,308.47/65,231.42
6. Step 6: Final answer
   x = 50,981.02