Finding the Fourth Proportional to 2,295.34, 3,166.82 and 1,286.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,295.34 : 3,166.82 = 1,286.89 : x
2. Step 2: Convert to fraction form
   2,295.34/3,166.82 = 1,286.89/x
3. Step 3: Cross multiply
   2,295.34x = 3,166.82 × 1,286.89
4. Step 4: Simplify right side
   2,295.34x = 4,075,342.56
5. Step 5: Solve for x
   x = 4,075,342.56/2,295.34
6. Step 6: Final answer
   x = 1,775.49