Finding the Fourth Proportional to 50,457.45, 69,578.49 and 37,690.62

Step by Step Solution

1. Step 1: Write the proportion equation
   50,457.45 : 69,578.49 = 37,690.62 : x
2. Step 2: Convert to fraction form
   50,457.45/69,578.49 = 37,690.62/x
3. Step 3: Cross multiply
   50,457.45x = 69,578.49 × 37,690.62
4. Step 4: Simplify right side
   50,457.45x = 2,622,456,426.76
5. Step 5: Solve for x
   x = 2,622,456,426.76/50,457.45
6. Step 6: Final answer
   x = 51,973.62