Finding the Fourth Proportional to 5,636.78, 8,449.46 and 2,713.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,636.78 : 8,449.46 = 2,713.50 : x
2. Step 2: Convert to fraction form
   5,636.78/8,449.46 = 2,713.50/x
3. Step 3: Cross multiply
   5,636.78x = 8,449.46 × 2,713.50
4. Step 4: Simplify right side
   5,636.78x = 22,927,609.71
5. Step 5: Solve for x
   x = 22,927,609.71/5,636.78
6. Step 6: Final answer
   x = 4,067.50