Finding the Fourth Proportional to 10,633.53, 15,945.06 and 3,969.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,633.53 : 15,945.06 = 3,969.76 : x
2. Step 2: Convert to fraction form
   10,633.53/15,945.06 = 3,969.76/x
3. Step 3: Cross multiply
   10,633.53x = 15,945.06 × 3,969.76
4. Step 4: Simplify right side
   10,633.53x = 63,298,061.39
5. Step 5: Solve for x
   x = 63,298,061.39/10,633.53
6. Step 6: Final answer
   x = 5,952.69