Finding the Fourth Proportional to 2,064.64, 2,848.78 and 1,308.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,064.64 : 2,848.78 = 1,308.67 : x
2. Step 2: Convert to fraction form
   2,064.64/2,848.78 = 1,308.67/x
3. Step 3: Cross multiply
   2,064.64x = 2,848.78 × 1,308.67
4. Step 4: Simplify right side
   2,064.64x = 3,728,112.92
5. Step 5: Solve for x
   x = 3,728,112.92/2,064.64
6. Step 6: Final answer
   x = 1,805.70