Finding the Fourth Proportional to 9,429.42, 13,014.94 and 5,449.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.42 : 13,014.94 = 5,449.96 : x
2. Step 2: Convert to fraction form
   9,429.42/13,014.94 = 5,449.96/x
3. Step 3: Cross multiply
   9,429.42x = 13,014.94 × 5,449.96
4. Step 4: Simplify right side
   9,429.42x = 70,930,902.40
5. Step 5: Solve for x
   x = 70,930,902.40/9,429.42
6. Step 6: Final answer
   x = 7,522.30