Finding the Fourth Proportional to 14,046.88, 19,384.72 and 7,759.28

Step by Step Solution

1. Step 1: Write the proportion equation
   14,046.88 : 19,384.72 = 7,759.28 : x
2. Step 2: Convert to fraction form
   14,046.88/19,384.72 = 7,759.28/x
3. Step 3: Cross multiply
   14,046.88x = 19,384.72 × 7,759.28
4. Step 4: Simplify right side
   14,046.88x = 150,411,470.20
5. Step 5: Solve for x
   x = 150,411,470.20/14,046.88
6. Step 6: Final answer
   x = 10,707.82