Finding the Fourth Proportional to 8,112.32, 11,200.48 and 5,322.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,112.32 : 11,200.48 = 5,322.56 : x
2. Step 2: Convert to fraction form
   8,112.32/11,200.48 = 5,322.56/x
3. Step 3: Cross multiply
   8,112.32x = 11,200.48 × 5,322.56
4. Step 4: Simplify right side
   8,112.32x = 59,615,226.83
5. Step 5: Solve for x
   x = 59,615,226.83/8,112.32
6. Step 6: Final answer
   x = 7,348.73