Finding the Fourth Proportional to 10,080.63, 13,910.40 and 5,604.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,080.63 : 13,910.40 = 5,604.30 : x
2. Step 2: Convert to fraction form
   10,080.63/13,910.40 = 5,604.30/x
3. Step 3: Cross multiply
   10,080.63x = 13,910.40 × 5,604.30
4. Step 4: Simplify right side
   10,080.63x = 77,958,054.72
5. Step 5: Solve for x
   x = 77,958,054.72/10,080.63
6. Step 6: Final answer
   x = 7,733.45