Finding the Fourth Proportional to 9,440.12, 13,025.94 and 5,406.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,440.12 : 13,025.94 = 5,406.32 : x
2. Step 2: Convert to fraction form
   9,440.12/13,025.94 = 5,406.32/x
3. Step 3: Cross multiply
   9,440.12x = 13,025.94 × 5,406.32
4. Step 4: Simplify right side
   9,440.12x = 70,422,399.94
5. Step 5: Solve for x
   x = 70,422,399.94/9,440.12
6. Step 6: Final answer
   x = 7,459.91