Finding the Fourth Proportional to 11,949.33, 17,919.51 and 3,513.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,949.33 : 17,919.51 = 3,513.30 : x
2. Step 2: Convert to fraction form
   11,949.33/17,919.51 = 3,513.30/x
3. Step 3: Cross multiply
   11,949.33x = 17,919.51 × 3,513.30
4. Step 4: Simplify right side
   11,949.33x = 62,956,614.48
5. Step 5: Solve for x
   x = 62,956,614.48/11,949.33
6. Step 6: Final answer
   x = 5,268.63