Finding the Fourth Proportional to 36,603.72, 50,513.16 and 19,836.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,603.72 : 50,513.16 = 19,836.72 : x
2. Step 2: Convert to fraction form
   36,603.72/50,513.16 = 19,836.72/x
3. Step 3: Cross multiply
   36,603.72x = 50,513.16 × 19,836.72
4. Step 4: Simplify right side
   36,603.72x = 1,002,015,411.24
5. Step 5: Solve for x
   x = 1,002,015,411.24/36,603.72
6. Step 6: Final answer
   x = 27,374.69