Finding the Fourth Proportional to 9,443.76, 13,031.56 and 5,252.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.76 : 13,031.56 = 5,252.24 : x
2. Step 2: Convert to fraction form
   9,443.76/13,031.56 = 5,252.24/x
3. Step 3: Cross multiply
   9,443.76x = 13,031.56 × 5,252.24
4. Step 4: Simplify right side
   9,443.76x = 68,444,880.69
5. Step 5: Solve for x
   x = 68,444,880.69/9,443.76
6. Step 6: Final answer
   x = 7,247.63