Finding the Fourth Proportional to 9,649.02, 13,315.31 and 5,457.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,649.02 : 13,315.31 = 5,457.27 : x
2. Step 2: Convert to fraction form
   9,649.02/13,315.31 = 5,457.27/x
3. Step 3: Cross multiply
   9,649.02x = 13,315.31 × 5,457.27
4. Step 4: Simplify right side
   9,649.02x = 72,665,214.52
5. Step 5: Solve for x
   x = 72,665,214.52/9,649.02
6. Step 6: Final answer
   x = 7,530.84