Finding the Fourth Proportional to 2,009.40, 3,010.29 and 1,185.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.40 : 3,010.29 = 1,185.22 : x
2. Step 2: Convert to fraction form
   2,009.40/3,010.29 = 1,185.22/x
3. Step 3: Cross multiply
   2,009.40x = 3,010.29 × 1,185.22
4. Step 4: Simplify right side
   2,009.40x = 3,567,855.91
5. Step 5: Solve for x
   x = 3,567,855.91/2,009.40
6. Step 6: Final answer
   x = 1,775.58