Finding the Fourth Proportional to 9,429.84, 13,013.52 and 5,452.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.84 : 13,013.52 = 5,452.20 : x
2. Step 2: Convert to fraction form
   9,429.84/13,013.52 = 5,452.20/x
3. Step 3: Cross multiply
   9,429.84x = 13,013.52 × 5,452.20
4. Step 4: Simplify right side
   9,429.84x = 70,952,313.74
5. Step 5: Solve for x
   x = 70,952,313.74/9,429.84
6. Step 6: Final answer
   x = 7,524.23