Finding the Fourth Proportional to 9,429.54, 13,013.37 and 5,451.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,429.54 : 13,013.37 = 5,451.63 : x
2. Step 2: Convert to fraction form
   9,429.54/13,013.37 = 5,451.63/x
3. Step 3: Cross multiply
   9,429.54x = 13,013.37 × 5,451.63
4. Step 4: Simplify right side
   9,429.54x = 70,944,078.29
5. Step 5: Solve for x
   x = 70,944,078.29/9,429.54
6. Step 6: Final answer
   x = 7,523.60