Finding the Fourth Proportional to 11,929.34, 17,894.18 and 3,609.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,929.34 : 17,894.18 = 3,609.43 : x
2. Step 2: Convert to fraction form
   11,929.34/17,894.18 = 3,609.43/x
3. Step 3: Cross multiply
   11,929.34x = 17,894.18 × 3,609.43
4. Step 4: Simplify right side
   11,929.34x = 64,587,754.41
5. Step 5: Solve for x
   x = 64,587,754.41/11,929.34
6. Step 6: Final answer
   x = 5,414.19