Finding the Fourth Proportional to 10,080.78, 13,910.82 and 5,604.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.78 : 13,910.82 = 5,604.37 : x
2. Step 2: Convert to fraction form
   10,080.78/13,910.82 = 5,604.37/x
3. Step 3: Cross multiply
   10,080.78x = 13,910.82 × 5,604.37
4. Step 4: Simplify right side
   10,080.78x = 77,961,312.73
5. Step 5: Solve for x
   x = 77,961,312.73/10,080.78
6. Step 6: Final answer
   x = 7,733.66