Finding the Fourth Proportional to 11,410.99, 17,118.47 and 3,513.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,410.99 : 17,118.47 = 3,513.42 : x
2. Step 2: Convert to fraction form
   11,410.99/17,118.47 = 3,513.42/x
3. Step 3: Cross multiply
   11,410.99x = 17,118.47 × 3,513.42
4. Step 4: Simplify right side
   11,410.99x = 60,144,383.65
5. Step 5: Solve for x
   x = 60,144,383.65/11,410.99
6. Step 6: Final answer
   x = 5,270.74