Finding the Fourth Proportional to 10,080.66, 13,910.25 and 5,603.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.66 : 13,910.25 = 5,603.69 : x
2. Step 2: Convert to fraction form
   10,080.66/13,910.25 = 5,603.69/x
3. Step 3: Cross multiply
   10,080.66x = 13,910.25 × 5,603.69
4. Step 4: Simplify right side
   10,080.66x = 77,948,763.60
5. Step 5: Solve for x
   x = 77,948,763.60/10,080.66
6. Step 6: Final answer
   x = 7,732.51