Finding the Fourth Proportional to 11,680.66, 17,522.61 and 3,361.15

Step by Step Solution

1. Step 1: Write the proportion equation
   11,680.66 : 17,522.61 = 3,361.15 : x
2. Step 2: Convert to fraction form
   11,680.66/17,522.61 = 3,361.15/x
3. Step 3: Cross multiply
   11,680.66x = 17,522.61 × 3,361.15
4. Step 4: Simplify right side
   11,680.66x = 58,896,120.60
5. Step 5: Solve for x
   x = 58,896,120.60/11,680.66
6. Step 6: Final answer
   x = 5,042.19