Finding the Fourth Proportional to 14,120.69, 19,488.89 and 7,835.09

Step by Step Solution

1. Step 1: Write the proportion equation
   14,120.69 : 19,488.89 = 7,835.09 : x
2. Step 2: Convert to fraction form
   14,120.69/19,488.89 = 7,835.09/x
3. Step 3: Cross multiply
   14,120.69x = 19,488.89 × 7,835.09
4. Step 4: Simplify right side
   14,120.69x = 152,697,167.97
5. Step 5: Solve for x
   x = 152,697,167.97/14,120.69
6. Step 6: Final answer
   x = 10,813.72