Finding the Fourth Proportional to 14,049.48, 19,388.43 and 7,761.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,049.48 : 19,388.43 = 7,761.86 : x
2. Step 2: Convert to fraction form
   14,049.48/19,388.43 = 7,761.86/x
3. Step 3: Cross multiply
   14,049.48x = 19,388.43 × 7,761.86
4. Step 4: Simplify right side
   14,049.48x = 150,490,182.34
5. Step 5: Solve for x
   x = 150,490,182.34/14,049.48
6. Step 6: Final answer
   x = 10,711.44