Finding the Fourth Proportional to 10,632.87, 15,938.89 and 3,964.49

Step by Step Solution

1. Step 1: Write the proportion equation
   10,632.87 : 15,938.89 = 3,964.49 : x
2. Step 2: Convert to fraction form
   10,632.87/15,938.89 = 3,964.49/x
3. Step 3: Cross multiply
   10,632.87x = 15,938.89 × 3,964.49
4. Step 4: Simplify right side
   10,632.87x = 63,189,570.02
5. Step 5: Solve for x
   x = 63,189,570.02/10,632.87
6. Step 6: Final answer
   x = 5,942.85