Finding the Fourth Proportional to 36,943.96, 50,978.02 and 21,028.72

Step by Step Solution

1. Step 1: Write the proportion equation
   36,943.96 : 50,978.02 = 21,028.72 : x
2. Step 2: Convert to fraction form
   36,943.96/50,978.02 = 21,028.72/x
3. Step 3: Cross multiply
   36,943.96x = 50,978.02 × 21,028.72
4. Step 4: Simplify right side
   36,943.96x = 1,072,002,508.73
5. Step 5: Solve for x
   x = 1,072,002,508.73/36,943.96
6. Step 6: Final answer
   x = 29,016.99