Finding the Fourth Proportional to 2,253.78, 3,381.89 and 1,705.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.78 : 3,381.89 = 1,705.82 : x
2. Step 2: Convert to fraction form
   2,253.78/3,381.89 = 1,705.82/x
3. Step 3: Cross multiply
   2,253.78x = 3,381.89 × 1,705.82
4. Step 4: Simplify right side
   2,253.78x = 5,768,870.16
5. Step 5: Solve for x
   x = 5,768,870.16/2,253.78
6. Step 6: Final answer
   x = 2,559.64