Finding the Fourth Proportional to 11,009.68, 16,514.15 and 3,112.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,009.68 : 16,514.15 = 3,112.79 : x
2. Step 2: Convert to fraction form
   11,009.68/16,514.15 = 3,112.79/x
3. Step 3: Cross multiply
   11,009.68x = 16,514.15 × 3,112.79
4. Step 4: Simplify right side
   11,009.68x = 51,404,982.84
5. Step 5: Solve for x
   x = 51,404,982.84/11,009.68
6. Step 6: Final answer
   x = 4,669.07