Finding the Fourth Proportional to 14,080.80, 19,431.33 and 7,707.37

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.80 : 19,431.33 = 7,707.37 : x
2. Step 2: Convert to fraction form
   14,080.80/19,431.33 = 7,707.37/x
3. Step 3: Cross multiply
   14,080.80x = 19,431.33 × 7,707.37
4. Step 4: Simplify right side
   14,080.80x = 149,764,473.89
5. Step 5: Solve for x
   x = 149,764,473.89/14,080.80
6. Step 6: Final answer
   x = 10,636.07