Finding the Fourth Proportional to 10,915.62, 16,359.73 and 4,668.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,915.62 : 16,359.73 = 4,668.30 : x
2. Step 2: Convert to fraction form
   10,915.62/16,359.73 = 4,668.30/x
3. Step 3: Cross multiply
   10,915.62x = 16,359.73 × 4,668.30
4. Step 4: Simplify right side
   10,915.62x = 76,372,127.56
5. Step 5: Solve for x
   x = 76,372,127.56/10,915.62
6. Step 6: Final answer
   x = 6,996.59