Finding the Fourth Proportional to 11,662.49, 17,488.58 and 3,340.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,662.49 : 17,488.58 = 3,340.61 : x
2. Step 2: Convert to fraction form
   11,662.49/17,488.58 = 3,340.61/x
3. Step 3: Cross multiply
   11,662.49x = 17,488.58 × 3,340.61
4. Step 4: Simplify right side
   11,662.49x = 58,422,421.09
5. Step 5: Solve for x
   x = 58,422,421.09/11,662.49
6. Step 6: Final answer
   x = 5,009.43