Finding the Fourth Proportional to 20,748.77, 31,118.41 and 5,957.57

Step by Step Solution

1. Step 1: Write the proportion equation
   20,748.77 : 31,118.41 = 5,957.57 : x
2. Step 2: Convert to fraction form
   20,748.77/31,118.41 = 5,957.57/x
3. Step 3: Cross multiply
   20,748.77x = 31,118.41 × 5,957.57
4. Step 4: Simplify right side
   20,748.77x = 185,389,935.38
5. Step 5: Solve for x
   x = 185,389,935.38/20,748.77
6. Step 6: Final answer
   x = 8,934.99