Finding the Fourth Proportional to 9,440.28, 13,025.73 and 5,408.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,440.28 : 13,025.73 = 5,408.34 : x
2. Step 2: Convert to fraction form
   9,440.28/13,025.73 = 5,408.34/x
3. Step 3: Cross multiply
   9,440.28x = 13,025.73 × 5,408.34
4. Step 4: Simplify right side
   9,440.28x = 70,447,576.59
5. Step 5: Solve for x
   x = 70,447,576.59/9,440.28
6. Step 6: Final answer
   x = 7,462.45