Finding the Fourth Proportional to 36,881.30, 50,895.72 and 20,964.71

Step by Step Solution

1. Step 1: Write the proportion equation
   36,881.30 : 50,895.72 = 20,964.71 : x
2. Step 2: Convert to fraction form
   36,881.30/50,895.72 = 20,964.71/x
3. Step 3: Cross multiply
   36,881.30x = 50,895.72 × 20,964.71
4. Step 4: Simplify right side
   36,881.30x = 1,067,014,010.04
5. Step 5: Solve for x
   x = 1,067,014,010.04/36,881.30
6. Step 6: Final answer
   x = 28,931.03