Finding the Fourth Proportional to 9,017.60, 12,448.12 and 5,481.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,017.60 : 12,448.12 = 5,481.94 : x
2. Step 2: Convert to fraction form
   9,017.60/12,448.12 = 5,481.94/x
3. Step 3: Cross multiply
   9,017.60x = 12,448.12 × 5,481.94
4. Step 4: Simplify right side
   9,017.60x = 68,239,846.95
5. Step 5: Solve for x
   x = 68,239,846.95/9,017.60
6. Step 6: Final answer
   x = 7,567.41