Finding the Fourth Proportional to 11,859.34, 16,369.16 and 7,380.42

Step by Step Solution

1. Step 1: Write the proportion equation
   11,859.34 : 16,369.16 = 7,380.42 : x
2. Step 2: Convert to fraction form
   11,859.34/16,369.16 = 7,380.42/x
3. Step 3: Cross multiply
   11,859.34x = 16,369.16 × 7,380.42
4. Step 4: Simplify right side
   11,859.34x = 120,811,275.85
5. Step 5: Solve for x
   x = 120,811,275.85/11,859.34
6. Step 6: Final answer
   x = 10,187.02