Finding the Fourth Proportional to 11,684.88, 17,530.47 and 3,365.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,684.88 : 17,530.47 = 3,365.55 : x
2. Step 2: Convert to fraction form
   11,684.88/17,530.47 = 3,365.55/x
3. Step 3: Cross multiply
   11,684.88x = 17,530.47 × 3,365.55
4. Step 4: Simplify right side
   11,684.88x = 58,999,673.31
5. Step 5: Solve for x
   x = 58,999,673.31/11,684.88
6. Step 6: Final answer
   x = 5,049.23