Finding the Fourth Proportional to 14,049.48, 19,389.06 and 7,761.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,049.48 : 19,389.06 = 7,761.72 : x
2. Step 2: Convert to fraction form
   14,049.48/19,389.06 = 7,761.72/x
3. Step 3: Cross multiply
   14,049.48x = 19,389.06 × 7,761.72
4. Step 4: Simplify right side
   14,049.48x = 150,492,454.78
5. Step 5: Solve for x
   x = 150,492,454.78/14,049.48
6. Step 6: Final answer
   x = 10,711.60