Finding the Fourth Proportional to 2,180.22, 3,008.72 and 1,185.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.22 : 3,008.72 = 1,185.49 : x
2. Step 2: Convert to fraction form
   2,180.22/3,008.72 = 1,185.49/x
3. Step 3: Cross multiply
   2,180.22x = 3,008.72 × 1,185.49
4. Step 4: Simplify right side
   2,180.22x = 3,566,801.55
5. Step 5: Solve for x
   x = 3,566,801.55/2,180.22
6. Step 6: Final answer
   x = 1,635.99