Finding the Fourth Proportional to 14,443.88, 19,932.55 and 7,819.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.88 : 19,932.55 = 7,819.88 : x
2. Step 2: Convert to fraction form
   14,443.88/19,932.55 = 7,819.88/x
3. Step 3: Cross multiply
   14,443.88x = 19,932.55 × 7,819.88
4. Step 4: Simplify right side
   14,443.88x = 155,870,029.88
5. Step 5: Solve for x
   x = 155,870,029.88/14,443.88
6. Step 6: Final answer
   x = 10,791.43