Finding the Fourth Proportional to 9,513.86, 13,128.02 and 5,481.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,513.86 : 13,128.02 = 5,481.27 : x
2. Step 2: Convert to fraction form
   9,513.86/13,128.02 = 5,481.27/x
3. Step 3: Cross multiply
   9,513.86x = 13,128.02 × 5,481.27
4. Step 4: Simplify right side
   9,513.86x = 71,958,246.17
5. Step 5: Solve for x
   x = 71,958,246.17/9,513.86
6. Step 6: Final answer
   x = 7,563.52