Finding the Fourth Proportional to 10,080.12, 13,910.36 and 5,603.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.12 : 13,910.36 = 5,603.70 : x
2. Step 2: Convert to fraction form
   10,080.12/13,910.36 = 5,603.70/x
3. Step 3: Cross multiply
   10,080.12x = 13,910.36 × 5,603.70
4. Step 4: Simplify right side
   10,080.12x = 77,949,484.33
5. Step 5: Solve for x
   x = 77,949,484.33/10,080.12
6. Step 6: Final answer
   x = 7,732.99