Finding the Fourth Proportional to 11,665.43, 17,494.55 and 3,343.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,665.43 : 17,494.55 = 3,343.21 : x
2. Step 2: Convert to fraction form
   11,665.43/17,494.55 = 3,343.21/x
3. Step 3: Cross multiply
   11,665.43x = 17,494.55 × 3,343.21
4. Step 4: Simplify right side
   11,665.43x = 58,487,954.51
5. Step 5: Solve for x
   x = 58,487,954.51/11,665.43
6. Step 6: Final answer
   x = 5,013.78