Finding the Fourth Proportional to 14,107.92, 19,469.55 and 7,819.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,107.92 : 19,469.55 = 7,819.86 : x
2. Step 2: Convert to fraction form
   14,107.92/19,469.55 = 7,819.86/x
3. Step 3: Cross multiply
   14,107.92x = 19,469.55 × 7,819.86
4. Step 4: Simplify right side
   14,107.92x = 152,249,155.26
5. Step 5: Solve for x
   x = 152,249,155.26/14,107.92
6. Step 6: Final answer
   x = 10,791.75