Finding the Fourth Proportional to 9,649.98, 13,320.26 and 5,672.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,649.98 : 13,320.26 = 5,672.27 : x
2. Step 2: Convert to fraction form
   9,649.98/13,320.26 = 5,672.27/x
3. Step 3: Cross multiply
   9,649.98x = 13,320.26 × 5,672.27
4. Step 4: Simplify right side
   9,649.98x = 75,556,130.31
5. Step 5: Solve for x
   x = 75,556,130.31/9,649.98
6. Step 6: Final answer
   x = 7,829.67