Finding the Fourth Proportional to 11,685.34, 17,530.68 and 3,365.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,685.34 : 17,530.68 = 3,365.42 : x
2. Step 2: Convert to fraction form
   11,685.34/17,530.68 = 3,365.42/x
3. Step 3: Cross multiply
   11,685.34x = 17,530.68 × 3,365.42
4. Step 4: Simplify right side
   11,685.34x = 58,998,101.09
5. Step 5: Solve for x
   x = 58,998,101.09/11,685.34
6. Step 6: Final answer
   x = 5,048.90