Finding the Fourth Proportional to 9,419.88, 12,997.92 and 5,441.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.88 : 12,997.92 = 5,441.52 : x
2. Step 2: Convert to fraction form
   9,419.88/12,997.92 = 5,441.52/x
3. Step 3: Cross multiply
   9,419.88x = 12,997.92 × 5,441.52
4. Step 4: Simplify right side
   9,419.88x = 70,728,441.64
5. Step 5: Solve for x
   x = 70,728,441.64/9,419.88
6. Step 6: Final answer
   x = 7,508.42