Finding the Fourth Proportional to 36,679.50, 50,617.71 and 19,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   36,679.50 : 50,617.71 = 19,912.50 : x
2. Step 2: Convert to fraction form
   36,679.50/50,617.71 = 19,912.50/x
3. Step 3: Cross multiply
   36,679.50x = 50,617.71 × 19,912.50
4. Step 4: Simplify right side
   36,679.50x = 1,007,925,150.38
5. Step 5: Solve for x
   x = 1,007,925,150.38/36,679.50
6. Step 6: Final answer
   x = 27,479.25