Finding the Fourth Proportional to 2,758.59, 4,137.88 and 1,296.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,758.59 : 4,137.88 = 1,296.67 : x
2. Step 2: Convert to fraction form
   2,758.59/4,137.88 = 1,296.67/x
3. Step 3: Cross multiply
   2,758.59x = 4,137.88 × 1,296.67
4. Step 4: Simplify right side
   2,758.59x = 5,365,464.86
5. Step 5: Solve for x
   x = 5,365,464.86/2,758.59
6. Step 6: Final answer
   x = 1,945.00