Finding the Fourth Proportional to 14,080.05, 19,430.17 and 7,706.49

Step by Step Solution

1. Step 1: Write the proportion equation
   14,080.05 : 19,430.17 = 7,706.49 : x
2. Step 2: Convert to fraction form
   14,080.05/19,430.17 = 7,706.49/x
3. Step 3: Cross multiply
   14,080.05x = 19,430.17 × 7,706.49
4. Step 4: Simplify right side
   14,080.05x = 149,738,471.32
5. Step 5: Solve for x
   x = 149,738,471.32/14,080.05
6. Step 6: Final answer
   x = 10,634.80