Finding the Fourth Proportional to 36,758.25, 50,726.79 and 19,991.25

Step by Step Solution

1. Step 1: Write the proportion equation
   36,758.25 : 50,726.79 = 19,991.25 : x
2. Step 2: Convert to fraction form
   36,758.25/50,726.79 = 19,991.25/x
3. Step 3: Cross multiply
   36,758.25x = 50,726.79 × 19,991.25
4. Step 4: Simplify right side
   36,758.25x = 1,014,091,940.59
5. Step 5: Solve for x
   x = 1,014,091,940.59/36,758.25
6. Step 6: Final answer
   x = 27,588.15