Finding the Fourth Proportional to 8,912.52, 12,298.79 and 5,327.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,912.52 : 12,298.79 = 5,327.55 : x
2. Step 2: Convert to fraction form
   8,912.52/12,298.79 = 5,327.55/x
3. Step 3: Cross multiply
   8,912.52x = 12,298.79 × 5,327.55
4. Step 4: Simplify right side
   8,912.52x = 65,522,431.98
5. Step 5: Solve for x
   x = 65,522,431.98/8,912.52
6. Step 6: Final answer
   x = 7,351.73