Finding the Fourth Proportional to 9,443.28, 13,027.32 and 5,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.28 : 13,027.32 = 5,664.72 : x
2. Step 2: Convert to fraction form
   9,443.28/13,027.32 = 5,664.72/x
3. Step 3: Cross multiply
   9,443.28x = 13,027.32 × 5,664.72
4. Step 4: Simplify right side
   9,443.28x = 73,796,120.15
5. Step 5: Solve for x
   x = 73,796,120.15/9,443.28
6. Step 6: Final answer
   x = 7,814.67