Finding the Fourth Proportional to 9,047.27, 12,491.34 and 5,649.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.27 : 12,491.34 = 5,649.47 : x
2. Step 2: Convert to fraction form
   9,047.27/12,491.34 = 5,649.47/x
3. Step 3: Cross multiply
   9,047.27x = 12,491.34 × 5,649.47
4. Step 4: Simplify right side
   9,047.27x = 70,569,481.82
5. Step 5: Solve for x
   x = 70,569,481.82/9,047.27
6. Step 6: Final answer
   x = 7,800.08