Finding the Fourth Proportional to 14,073.16, 19,421.22 and 7,786.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,073.16 : 19,421.22 = 7,786.12 : x
2. Step 2: Convert to fraction form
   14,073.16/19,421.22 = 7,786.12/x
3. Step 3: Cross multiply
   14,073.16x = 19,421.22 × 7,786.12
4. Step 4: Simplify right side
   14,073.16x = 151,215,949.47
5. Step 5: Solve for x
   x = 151,215,949.47/14,073.16
6. Step 6: Final answer
   x = 10,744.99