Finding the Fourth Proportional to 11,660.42, 17,487.69 and 3,340.49

Step by Step Solution

1. Step 1: Write the proportion equation
   11,660.42 : 17,487.69 = 3,340.49 : x
2. Step 2: Convert to fraction form
   11,660.42/17,487.69 = 3,340.49/x
3. Step 3: Cross multiply
   11,660.42x = 17,487.69 × 3,340.49
4. Step 4: Simplify right side
   11,660.42x = 58,417,453.57
5. Step 5: Solve for x
   x = 58,417,453.57/11,660.42
6. Step 6: Final answer
   x = 5,009.89