Finding the Fourth Proportional to 11,768.79, 17,655.62 and 3,449.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,768.79 : 17,655.62 = 3,449.08 : x
2. Step 2: Convert to fraction form
   11,768.79/17,655.62 = 3,449.08/x
3. Step 3: Cross multiply
   11,768.79x = 17,655.62 × 3,449.08
4. Step 4: Simplify right side
   11,768.79x = 60,895,645.83
5. Step 5: Solve for x
   x = 60,895,645.83/11,768.79
6. Step 6: Final answer
   x = 5,174.33