Finding the Fourth Proportional to 14,066.28, 19,410.71 and 7,778.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,066.28 : 19,410.71 = 7,778.25 : x
2. Step 2: Convert to fraction form
   14,066.28/19,410.71 = 7,778.25/x
3. Step 3: Cross multiply
   14,066.28x = 19,410.71 × 7,778.25
4. Step 4: Simplify right side
   14,066.28x = 150,981,316.17
5. Step 5: Solve for x
   x = 150,981,316.17/14,066.28
6. Step 6: Final answer
   x = 10,733.56