Finding the Fourth Proportional to 12,190.72, 18,292.84 and 5,950.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,190.72 : 18,292.84 = 5,950.78 : x
2. Step 2: Convert to fraction form
   12,190.72/18,292.84 = 5,950.78/x
3. Step 3: Cross multiply
   12,190.72x = 18,292.84 × 5,950.78
4. Step 4: Simplify right side
   12,190.72x = 108,856,666.42
5. Step 5: Solve for x
   x = 108,856,666.42/12,190.72
6. Step 6: Final answer
   x = 8,929.47