Finding the Fourth Proportional to 27,105.69, 37,405.83 and 15,171.32

Step by Step Solution

1. Step 1: Write the proportion equation
   27,105.69 : 37,405.83 = 15,171.32 : x
2. Step 2: Convert to fraction form
   27,105.69/37,405.83 = 15,171.32/x
3. Step 3: Cross multiply
   27,105.69x = 37,405.83 × 15,171.32
4. Step 4: Simplify right side
   27,105.69x = 567,495,756.79
5. Step 5: Solve for x
   x = 567,495,756.79/27,105.69
6. Step 6: Final answer
   x = 20,936.41