Finding the Fourth Proportional to 9,419.04, 12,998.52 and 5,441.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,419.04 : 12,998.52 = 5,441.76 : x
2. Step 2: Convert to fraction form
   9,419.04/12,998.52 = 5,441.76/x
3. Step 3: Cross multiply
   9,419.04x = 12,998.52 × 5,441.76
4. Step 4: Simplify right side
   9,419.04x = 70,734,826.20
5. Step 5: Solve for x
   x = 70,734,826.20/9,419.04
6. Step 6: Final answer
   x = 7,509.77