Finding the Fourth Proportional to 2,179.91, 3,008.24 and 1,185.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,179.91 : 3,008.24 = 1,185.18 : x
2. Step 2: Convert to fraction form
   2,179.91/3,008.24 = 1,185.18/x
3. Step 3: Cross multiply
   2,179.91x = 3,008.24 × 1,185.18
4. Step 4: Simplify right side
   2,179.91x = 3,565,308.85
5. Step 5: Solve for x
   x = 3,565,308.85/2,179.91
6. Step 6: Final answer
   x = 1,635.53