Finding the Fourth Proportional to 10,080.99, 13,911.55 and 5,604.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.99 : 13,911.55 = 5,604.59 : x
2. Step 2: Convert to fraction form
   10,080.99/13,911.55 = 5,604.59/x
3. Step 3: Cross multiply
   10,080.99x = 13,911.55 × 5,604.59
4. Step 4: Simplify right side
   10,080.99x = 77,968,554.78
5. Step 5: Solve for x
   x = 77,968,554.78/10,080.99
6. Step 6: Final answer
   x = 7,734.22