Finding the Fourth Proportional to 2,675.33, 4,006.94 and 1,289.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,675.33 : 4,006.94 = 1,289.67 : x
2. Step 2: Convert to fraction form
   2,675.33/4,006.94 = 1,289.67/x
3. Step 3: Cross multiply
   2,675.33x = 4,006.94 × 1,289.67
4. Step 4: Simplify right side
   2,675.33x = 5,167,631.37
5. Step 5: Solve for x
   x = 5,167,631.37/2,675.33
6. Step 6: Final answer
   x = 1,931.59