Finding the Fourth Proportional to 9,443.72, 13,031.54 and 5,465.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.72 : 13,031.54 = 5,465.09 : x
2. Step 2: Convert to fraction form
   9,443.72/13,031.54 = 5,465.09/x
3. Step 3: Cross multiply
   9,443.72x = 13,031.54 × 5,465.09
4. Step 4: Simplify right side
   9,443.72x = 71,218,538.94
5. Step 5: Solve for x
   x = 71,218,538.94/9,443.72
6. Step 6: Final answer
   x = 7,541.36