Finding the Fourth Proportional to 9,429.33, 13,016.90 and 5,449.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.33 : 13,016.90 = 5,449.67 : x
2. Step 2: Convert to fraction form
   9,429.33/13,016.90 = 5,449.67/x
3. Step 3: Cross multiply
   9,429.33x = 13,016.90 × 5,449.67
4. Step 4: Simplify right side
   9,429.33x = 70,937,806.78
5. Step 5: Solve for x
   x = 70,937,806.78/9,429.33
6. Step 6: Final answer
   x = 7,523.10