Finding the Fourth Proportional to 9,328.56, 12,871.87 and 5,796.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,328.56 : 12,871.87 = 5,796.55 : x
2. Step 2: Convert to fraction form
   9,328.56/12,871.87 = 5,796.55/x
3. Step 3: Cross multiply
   9,328.56x = 12,871.87 × 5,796.55
4. Step 4: Simplify right side
   9,328.56x = 74,612,438.05
5. Step 5: Solve for x
   x = 74,612,438.05/9,328.56
6. Step 6: Final answer
   x = 7,998.28