Finding the Fourth Proportional to 9,514.92, 13,128.30 and 5,736.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,514.92 : 13,128.30 = 5,736.72 : x
2. Step 2: Convert to fraction form
   9,514.92/13,128.30 = 5,736.72/x
3. Step 3: Cross multiply
   9,514.92x = 13,128.30 × 5,736.72
4. Step 4: Simplify right side
   9,514.92x = 75,313,381.18
5. Step 5: Solve for x
   x = 75,313,381.18/9,514.92
6. Step 6: Final answer
   x = 7,915.29