Finding the Fourth Proportional to 2,180.35, 3,008.86 and 1,185.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.35 : 3,008.86 = 1,185.62 : x
2. Step 2: Convert to fraction form
   2,180.35/3,008.86 = 1,185.62/x
3. Step 3: Cross multiply
   2,180.35x = 3,008.86 × 1,185.62
4. Step 4: Simplify right side
   2,180.35x = 3,567,370.18
5. Step 5: Solve for x
   x = 3,567,370.18/2,180.35
6. Step 6: Final answer
   x = 1,636.14