Finding the Fourth Proportional to 2,259.85, 3,367.59 and 2,185.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.85 : 3,367.59 = 2,185.53 : x
2. Step 2: Convert to fraction form
   2,259.85/3,367.59 = 2,185.53/x
3. Step 3: Cross multiply
   2,259.85x = 3,367.59 × 2,185.53
4. Step 4: Simplify right side
   2,259.85x = 7,359,979.38
5. Step 5: Solve for x
   x = 7,359,979.38/2,259.85
6. Step 6: Final answer
   x = 3,256.85