Finding the Fourth Proportional to 2,180.06, 3,008.59 and 1,236.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.06 : 3,008.59 = 1,236.03 : x
2. Step 2: Convert to fraction form
   2,180.06/3,008.59 = 1,236.03/x
3. Step 3: Cross multiply
   2,180.06x = 3,008.59 × 1,236.03
4. Step 4: Simplify right side
   2,180.06x = 3,718,707.50
5. Step 5: Solve for x
   x = 3,718,707.50/2,180.06
6. Step 6: Final answer
   x = 1,705.78