Finding the Fourth Proportional to 7,080.01, 10,609.92 and 5,216.47

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.01 : 10,609.92 = 5,216.47 : x
2. Step 2: Convert to fraction form
   7,080.01/10,609.92 = 5,216.47/x
3. Step 3: Cross multiply
   7,080.01x = 10,609.92 × 5,216.47
4. Step 4: Simplify right side
   7,080.01x = 55,346,329.38
5. Step 5: Solve for x
   x = 55,346,329.38/7,080.01
6. Step 6: Final answer
   x = 7,817.27