Finding the Fourth Proportional to 9,467.74, 13,065.48 and 5,491.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,467.74 : 13,065.48 = 5,491.15 : x
2. Step 2: Convert to fraction form
   9,467.74/13,065.48 = 5,491.15/x
3. Step 3: Cross multiply
   9,467.74x = 13,065.48 × 5,491.15
4. Step 4: Simplify right side
   9,467.74x = 71,744,510.50
5. Step 5: Solve for x
   x = 71,744,510.50/9,467.74
6. Step 6: Final answer
   x = 7,577.79