Finding the Fourth Proportional to 9,459.10, 13,053.12 and 5,481.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,459.10 : 13,053.12 = 5,481.50 : x
2. Step 2: Convert to fraction form
   9,459.10/13,053.12 = 5,481.50/x
3. Step 3: Cross multiply
   9,459.10x = 13,053.12 × 5,481.50
4. Step 4: Simplify right side
   9,459.10x = 71,550,677.28
5. Step 5: Solve for x
   x = 71,550,677.28/9,459.10
6. Step 6: Final answer
   x = 7,564.22