Finding the Fourth Proportional to 14,196.68, 19,591.81 and 7,909.05

Step by Step Solution

1. Step 1: Write the proportion equation
   14,196.68 : 19,591.81 = 7,909.05 : x
2. Step 2: Convert to fraction form
   14,196.68/19,591.81 = 7,909.05/x
3. Step 3: Cross multiply
   14,196.68x = 19,591.81 × 7,909.05
4. Step 4: Simplify right side
   14,196.68x = 154,952,658.58
5. Step 5: Solve for x
   x = 154,952,658.58/14,196.68
6. Step 6: Final answer
   x = 10,914.71