Finding the Fourth Proportional to 9,292.08, 12,821.15 and 5,514.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,292.08 : 12,821.15 = 5,514.72 : x
2. Step 2: Convert to fraction form
   9,292.08/12,821.15 = 5,514.72/x
3. Step 3: Cross multiply
   9,292.08x = 12,821.15 × 5,514.72
4. Step 4: Simplify right side
   9,292.08x = 70,705,018.04
5. Step 5: Solve for x
   x = 70,705,018.04/9,292.08
6. Step 6: Final answer
   x = 7,609.17