Finding the Fourth Proportional to 65,674.43, 90,635.32 and 37,380.12

Step by Step Solution

1. Step 1: Write the proportion equation
   65,674.43 : 90,635.32 = 37,380.12 : x
2. Step 2: Convert to fraction form
   65,674.43/90,635.32 = 37,380.12/x
3. Step 3: Cross multiply
   65,674.43x = 90,635.32 × 37,380.12
4. Step 4: Simplify right side
   65,674.43x = 3,387,958,844.68
5. Step 5: Solve for x
   x = 3,387,958,844.68/65,674.43
6. Step 6: Final answer
   x = 51,587.18