Finding the Fourth Proportional to 26,105.69, 35,998.61 and 15,493.27

Step by Step Solution

1. Step 1: Write the proportion equation
   26,105.69 : 35,998.61 = 15,493.27 : x
2. Step 2: Convert to fraction form
   26,105.69/35,998.61 = 15,493.27/x
3. Step 3: Cross multiply
   26,105.69x = 35,998.61 × 15,493.27
4. Step 4: Simplify right side
   26,105.69x = 557,736,016.89
5. Step 5: Solve for x
   x = 557,736,016.89/26,105.69
6. Step 6: Final answer
   x = 21,364.54