Finding the Fourth Proportional to 9,459.77, 13,053.89 and 5,480.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.77 : 13,053.89 = 5,480.19 : x
2. Step 2: Convert to fraction form
   9,459.77/13,053.89 = 5,480.19/x
3. Step 3: Cross multiply
   9,459.77x = 13,053.89 × 5,480.19
4. Step 4: Simplify right side
   9,459.77x = 71,537,770.04
5. Step 5: Solve for x
   x = 71,537,770.04/9,459.77
6. Step 6: Final answer
   x = 7,562.32