Finding the Fourth Proportional to 9,443.23, 13,031.99 and 5,410.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,443.23 : 13,031.99 = 5,410.78 : x
2. Step 2: Convert to fraction form
   9,443.23/13,031.99 = 5,410.78/x
3. Step 3: Cross multiply
   9,443.23x = 13,031.99 × 5,410.78
4. Step 4: Simplify right side
   9,443.23x = 70,513,230.85
5. Step 5: Solve for x
   x = 70,513,230.85/9,443.23
6. Step 6: Final answer
   x = 7,467.07