Finding the Fourth Proportional to 7,279.92, 10,024.56 and 7,116.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,279.92 : 10,024.56 = 7,116.48 : x
2. Step 2: Convert to fraction form
   7,279.92/10,024.56 = 7,116.48/x
3. Step 3: Cross multiply
   7,279.92x = 10,024.56 × 7,116.48
4. Step 4: Simplify right side
   7,279.92x = 71,339,580.75
5. Step 5: Solve for x
   x = 71,339,580.75/7,279.92
6. Step 6: Final answer
   x = 9,799.50