Finding the Fourth Proportional to 2,075.92, 2,865.53 and 1,279.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.92 : 2,865.53 = 1,279.37 : x
2. Step 2: Convert to fraction form
   2,075.92/2,865.53 = 1,279.37/x
3. Step 3: Cross multiply
   2,075.92x = 2,865.53 × 1,279.37
4. Step 4: Simplify right side
   2,075.92x = 3,666,083.48
5. Step 5: Solve for x
   x = 3,666,083.48/2,075.92
6. Step 6: Final answer
   x = 1,766.01