Finding the Fourth Proportional to 10,505.30, 14,487.56 and 7,668.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,505.30 : 14,487.56 = 7,668.18 : x
2. Step 2: Convert to fraction form
   10,505.30/14,487.56 = 7,668.18/x
3. Step 3: Cross multiply
   10,505.30x = 14,487.56 × 7,668.18
4. Step 4: Simplify right side
   10,505.30x = 111,093,217.84
5. Step 5: Solve for x
   x = 111,093,217.84/10,505.30
6. Step 6: Final answer
   x = 10,574.97