Finding the Fourth Proportional to 14,049.62, 19,389.48 and 7,761.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,049.62 : 19,389.48 = 7,761.86 : x
2. Step 2: Convert to fraction form
   14,049.62/19,389.48 = 7,761.86/x
3. Step 3: Cross multiply
   14,049.62x = 19,389.48 × 7,761.86
4. Step 4: Simplify right side
   14,049.62x = 150,498,429.23
5. Step 5: Solve for x
   x = 150,498,429.23/14,049.62
6. Step 6: Final answer
   x = 10,711.92