Finding the Fourth Proportional to 9,351.30, 13,960.61 and 8,314.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,351.30 : 13,960.61 = 8,314.50 : x
2. Step 2: Convert to fraction form
   9,351.30/13,960.61 = 8,314.50/x
3. Step 3: Cross multiply
   9,351.30x = 13,960.61 × 8,314.50
4. Step 4: Simplify right side
   9,351.30x = 116,075,450.27
5. Step 5: Solve for x
   x = 116,075,450.27/9,351.30
6. Step 6: Final answer
   x = 12,412.76