Finding the Fourth Proportional to 14,073.67, 19,421.42 and 7,786.04

Step by Step Solution

1. Step 1: Write the proportion equation
   14,073.67 : 19,421.42 = 7,786.04 : x
2. Step 2: Convert to fraction form
   14,073.67/19,421.42 = 7,786.04/x
3. Step 3: Cross multiply
   14,073.67x = 19,421.42 × 7,786.04
4. Step 4: Simplify right side
   14,073.67x = 151,215,952.98
5. Step 5: Solve for x
   x = 151,215,952.98/14,073.67
6. Step 6: Final answer
   x = 10,744.60