Finding the Fourth Proportional to 36,932.72, 50,961.15 and 21,823.31

Step by Step Solution

1. Step 1: Write the proportion equation
   36,932.72 : 50,961.15 = 21,823.31 : x
2. Step 2: Convert to fraction form
   36,932.72/50,961.15 = 21,823.31/x
3. Step 3: Cross multiply
   36,932.72x = 50,961.15 × 21,823.31
4. Step 4: Simplify right side
   36,932.72x = 1,112,140,974.41
5. Step 5: Solve for x
   x = 1,112,140,974.41/36,932.72
6. Step 6: Final answer
   x = 30,112.62