Finding the Fourth Proportional to 14,080.10, 19,430.55 and 7,707.29

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.10 : 19,430.55 = 7,707.29 : x
2. Step 2: Convert to fraction form
   14,080.10/19,430.55 = 7,707.29/x
3. Step 3: Cross multiply
   14,080.10x = 19,430.55 × 7,707.29
4. Step 4: Simplify right side
   14,080.10x = 149,756,786.56
5. Step 5: Solve for x
   x = 149,756,786.56/14,080.10
6. Step 6: Final answer
   x = 10,636.06