Finding the Fourth Proportional to 14,046.20, 19,383.87 and 7,758.57

Step by Step Solution

1. Step 1: Write the proportion equation
   14,046.20 : 19,383.87 = 7,758.57 : x
2. Step 2: Convert to fraction form
   14,046.20/19,383.87 = 7,758.57/x
3. Step 3: Cross multiply
   14,046.20x = 19,383.87 × 7,758.57
4. Step 4: Simplify right side
   14,046.20x = 150,391,112.27
5. Step 5: Solve for x
   x = 150,391,112.27/14,046.20
6. Step 6: Final answer
   x = 10,706.89