Finding the Fourth Proportional to 25,726.52, 35,491.33 and 15,111.37

Step by Step Solution

1. Step 1: Write the proportion equation
   25,726.52 : 35,491.33 = 15,111.37 : x
2. Step 2: Convert to fraction form
   25,726.52/35,491.33 = 15,111.37/x
3. Step 3: Cross multiply
   25,726.52x = 35,491.33 × 15,111.37
4. Step 4: Simplify right side
   25,726.52x = 536,322,366.41
5. Step 5: Solve for x
   x = 536,322,366.41/25,726.52
6. Step 6: Final answer
   x = 20,847.07