Finding the Fourth Proportional to 10,080.64, 13,910.88 and 5,604.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.64 : 13,910.88 = 5,604.06 : x
2. Step 2: Convert to fraction form
   10,080.64/13,910.88 = 5,604.06/x
3. Step 3: Cross multiply
   10,080.64x = 13,910.88 × 5,604.06
4. Step 4: Simplify right side
   10,080.64x = 77,957,424.47
5. Step 5: Solve for x
   x = 77,957,424.47/10,080.64
6. Step 6: Final answer
   x = 7,733.38