Finding the Fourth Proportional to 10,080.37, 13,910.12 and 5,603.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.37 : 13,910.12 = 5,603.85 : x
2. Step 2: Convert to fraction form
   10,080.37/13,910.12 = 5,603.85/x
3. Step 3: Cross multiply
   10,080.37x = 13,910.12 × 5,603.85
4. Step 4: Simplify right side
   10,080.37x = 77,950,250.48
5. Step 5: Solve for x
   x = 77,950,250.48/10,080.37
6. Step 6: Final answer
   x = 7,732.87