Finding the Fourth Proportional to 14,443.89, 19,932.63 and 7,819.89

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.89 : 19,932.63 = 7,819.89 : x
2. Step 2: Convert to fraction form
   14,443.89/19,932.63 = 7,819.89/x
3. Step 3: Cross multiply
   14,443.89x = 19,932.63 × 7,819.89
4. Step 4: Simplify right side
   14,443.89x = 155,870,974.01
5. Step 5: Solve for x
   x = 155,870,974.01/14,443.89
6. Step 6: Final answer
   x = 10,791.48