Finding the Fourth Proportional to 10,810.08, 16,209.48 and 5,105.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.08 : 16,209.48 = 5,105.09 : x
2. Step 2: Convert to fraction form
   10,810.08/16,209.48 = 5,105.09/x
3. Step 3: Cross multiply
   10,810.08x = 16,209.48 × 5,105.09
4. Step 4: Simplify right side
   10,810.08x = 82,750,854.25
5. Step 5: Solve for x
   x = 82,750,854.25/10,810.08
6. Step 6: Final answer
   x = 7,654.97