Finding the Fourth Proportional to 25,901.98, 35,589.83 and 20,587.57

Step by Step Solution

1. Step 1: Write the proportion equation
   25,901.98 : 35,589.83 = 20,587.57 : x
2. Step 2: Convert to fraction form
   25,901.98/35,589.83 = 20,587.57/x
3. Step 3: Cross multiply
   25,901.98x = 35,589.83 × 20,587.57
4. Step 4: Simplify right side
   25,901.98x = 732,708,040.31
5. Step 5: Solve for x
   x = 732,708,040.31/25,901.98
6. Step 6: Final answer
   x = 28,287.73