Finding the Fourth Proportional to 65,674.05, 90,634.79 and 37,379.75

Step by Step Solution

1. Step 1: Write the proportion equation
   65,674.05 : 90,634.79 = 37,379.75 : x
2. Step 2: Convert to fraction form
   65,674.05/90,634.79 = 37,379.75/x
3. Step 3: Cross multiply
   65,674.05x = 90,634.79 × 37,379.75
4. Step 4: Simplify right side
   65,674.05x = 3,387,905,151.43
5. Step 5: Solve for x
   x = 3,387,905,151.43/65,674.05
6. Step 6: Final answer
   x = 51,586.66