Finding the Fourth Proportional to 10,629.09, 15,945.57 and 3,513.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,629.09 : 15,945.57 = 3,513.74 : x
2. Step 2: Convert to fraction form
   10,629.09/15,945.57 = 3,513.74/x
3. Step 3: Cross multiply
   10,629.09x = 15,945.57 × 3,513.74
4. Step 4: Simplify right side
   10,629.09x = 56,028,507.40
5. Step 5: Solve for x
   x = 56,028,507.40/10,629.09
6. Step 6: Final answer
   x = 5,271.24