Finding the Fourth Proportional to 9,436.10, 13,015.69 and 7,313.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.10 : 13,015.69 = 7,313.49 : x
2. Step 2: Convert to fraction form
   9,436.10/13,015.69 = 7,313.49/x
3. Step 3: Cross multiply
   9,436.10x = 13,015.69 × 7,313.49
4. Step 4: Simplify right side
   9,436.10x = 95,190,100.37
5. Step 5: Solve for x
   x = 95,190,100.37/9,436.10
6. Step 6: Final answer
   x = 10,087.87