Finding the Fourth Proportional to 26,815.32, 37,007.82 and 17,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   26,815.32 : 37,007.82 = 17,131.50 : x
2. Step 2: Convert to fraction form
   26,815.32/37,007.82 = 17,131.50/x
3. Step 3: Cross multiply
   26,815.32x = 37,007.82 × 17,131.50
4. Step 4: Simplify right side
   26,815.32x = 633,999,468.33
5. Step 5: Solve for x
   x = 633,999,468.33/26,815.32
6. Step 6: Final answer
   x = 23,643.18