Finding the Fourth Proportional to 9,459.76, 13,053.89 and 5,480.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.76 : 13,053.89 = 5,480.18 : x
2. Step 2: Convert to fraction form
   9,459.76/13,053.89 = 5,480.18/x
3. Step 3: Cross multiply
   9,459.76x = 13,053.89 × 5,480.18
4. Step 4: Simplify right side
   9,459.76x = 71,537,713.24
5. Step 5: Solve for x
   x = 71,537,713.24/9,459.76
6. Step 6: Final answer
   x = 7,562.32