Finding the Fourth Proportional to 9,504.45, 13,109.91 and 5,725.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,504.45 : 13,109.91 = 5,725.06 : x
2. Step 2: Convert to fraction form
   9,504.45/13,109.91 = 5,725.06/x
3. Step 3: Cross multiply
   9,504.45x = 13,109.91 × 5,725.06
4. Step 4: Simplify right side
   9,504.45x = 75,055,021.34
5. Step 5: Solve for x
   x = 75,055,021.34/9,504.45
6. Step 6: Final answer
   x = 7,896.83