Finding the Fourth Proportional to 8,290.37, 11,444.81 and 5,459.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,290.37 : 11,444.81 = 5,459.55 : x
2. Step 2: Convert to fraction form
   8,290.37/11,444.81 = 5,459.55/x
3. Step 3: Cross multiply
   8,290.37x = 11,444.81 × 5,459.55
4. Step 4: Simplify right side
   8,290.37x = 62,483,485.14
5. Step 5: Solve for x
   x = 62,483,485.14/8,290.37
6. Step 6: Final answer
   x = 7,536.88