Finding the Fourth Proportional to 10,789.38, 14,891.55 and 6,807.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,789.38 : 14,891.55 = 6,807.81 : x
2. Step 2: Convert to fraction form
   10,789.38/14,891.55 = 6,807.81/x
3. Step 3: Cross multiply
   10,789.38x = 14,891.55 × 6,807.81
4. Step 4: Simplify right side
   10,789.38x = 101,378,843.01
5. Step 5: Solve for x
   x = 101,378,843.01/10,789.38
6. Step 6: Final answer
   x = 9,396.17