Finding the Fourth Proportional to 10,915.30, 15,062.72 and 6,673.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,915.30 : 15,062.72 = 6,673.48 : x
2. Step 2: Convert to fraction form
   10,915.30/15,062.72 = 6,673.48/x
3. Step 3: Cross multiply
   10,915.30x = 15,062.72 × 6,673.48
4. Step 4: Simplify right side
   10,915.30x = 100,520,760.67
5. Step 5: Solve for x
   x = 100,520,760.67/10,915.30
6. Step 6: Final answer
   x = 9,209.16