Finding the Fourth Proportional to 7,080.09, 9,730.56 and 5,505.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.09 : 9,730.56 = 5,505.45 : x
2. Step 2: Convert to fraction form
   7,080.09/9,730.56 = 5,505.45/x
3. Step 3: Cross multiply
   7,080.09x = 9,730.56 × 5,505.45
4. Step 4: Simplify right side
   7,080.09x = 53,571,111.55
5. Step 5: Solve for x
   x = 53,571,111.55/7,080.09
6. Step 6: Final answer
   x = 7,566.44