Finding the Fourth Proportional to 2,259.95, 3,120.89 and 2,137.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,259.95 : 3,120.89 = 2,137.23 : x
2. Step 2: Convert to fraction form
   2,259.95/3,120.89 = 2,137.23/x
3. Step 3: Cross multiply
   2,259.95x = 3,120.89 × 2,137.23
4. Step 4: Simplify right side
   2,259.95x = 6,670,049.05
5. Step 5: Solve for x
   x = 6,670,049.05/2,259.95
6. Step 6: Final answer
   x = 2,951.42