Finding the Fourth Proportional to 9,467.81, 13,065.59 and 5,491.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,467.81 : 13,065.59 = 5,491.23 : x
2. Step 2: Convert to fraction form
   9,467.81/13,065.59 = 5,491.23/x
3. Step 3: Cross multiply
   9,467.81x = 13,065.59 × 5,491.23
4. Step 4: Simplify right side
   9,467.81x = 71,746,132.32
5. Step 5: Solve for x
   x = 71,746,132.32/9,467.81
6. Step 6: Final answer
   x = 7,577.90