Finding the Fourth Proportional to 14,426.82, 19,909.02 and 7,966.47

Step by Step Solution

1. Step 1: Write the proportion equation
   14,426.82 : 19,909.02 = 7,966.47 : x
2. Step 2: Convert to fraction form
   14,426.82/19,909.02 = 7,966.47/x
3. Step 3: Cross multiply
   14,426.82x = 19,909.02 × 7,966.47
4. Step 4: Simplify right side
   14,426.82x = 158,604,610.56
5. Step 5: Solve for x
   x = 158,604,610.56/14,426.82
6. Step 6: Final answer
   x = 10,993.73