Finding the Fourth Proportional to 14,105.28, 19,465.76 and 7,817.92

Step by Step Solution

1. Step 1: Write the proportion equation
   14,105.28 : 19,465.76 = 7,817.92 : x
2. Step 2: Convert to fraction form
   14,105.28/19,465.76 = 7,817.92/x
3. Step 3: Cross multiply
   14,105.28x = 19,465.76 × 7,817.92
4. Step 4: Simplify right side
   14,105.28x = 152,181,754.42
5. Step 5: Solve for x
   x = 152,181,754.42/14,105.28
6. Step 6: Final answer
   x = 10,788.99