Finding the Fourth Proportional to 2,253.42, 3,112.83 and 2,144.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.42 : 3,112.83 = 2,144.07 : x
2. Step 2: Convert to fraction form
   2,253.42/3,112.83 = 2,144.07/x
3. Step 3: Cross multiply
   2,253.42x = 3,112.83 × 2,144.07
4. Step 4: Simplify right side
   2,253.42x = 6,674,125.42
5. Step 5: Solve for x
   x = 6,674,125.42/2,253.42
6. Step 6: Final answer
   x = 2,961.78