Finding the Fourth Proportional to 8,953.32, 12,355.56 and 5,227.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,953.32 : 12,355.56 = 5,227.32 : x
2. Step 2: Convert to fraction form
   8,953.32/12,355.56 = 5,227.32/x
3. Step 3: Cross multiply
   8,953.32x = 12,355.56 × 5,227.32
4. Step 4: Simplify right side
   8,953.32x = 64,586,465.90
5. Step 5: Solve for x
   x = 64,586,465.90/8,953.32
6. Step 6: Final answer
   x = 7,213.69