Finding the Fourth Proportional to 2,185.76, 3,009.39 and 2,036.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,185.76 : 3,009.39 = 2,036.72 : x
2. Step 2: Convert to fraction form
   2,185.76/3,009.39 = 2,036.72/x
3. Step 3: Cross multiply
   2,185.76x = 3,009.39 × 2,036.72
4. Step 4: Simplify right side
   2,185.76x = 6,129,284.69
5. Step 5: Solve for x
   x = 6,129,284.69/2,185.76
6. Step 6: Final answer
   x = 2,804.19