Finding the Fourth Proportional to 10,080.09, 13,911.47 and 5,605.24

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.09 : 13,911.47 = 5,605.24 : x
2. Step 2: Convert to fraction form
   10,080.09/13,911.47 = 5,605.24/x
3. Step 3: Cross multiply
   10,080.09x = 13,911.47 × 5,605.24
4. Step 4: Simplify right side
   10,080.09x = 77,977,128.10
5. Step 5: Solve for x
   x = 77,977,128.10/10,080.09
6. Step 6: Final answer
   x = 7,735.76