Finding the Fourth Proportional to 20,494.81, 28,223.39 and 17,804.81

Step by Step Solution

1. Step 1: Write the proportion equation
   20,494.81 : 28,223.39 = 17,804.81 : x
2. Step 2: Convert to fraction form
   20,494.81/28,223.39 = 17,804.81/x
3. Step 3: Cross multiply
   20,494.81x = 28,223.39 × 17,804.81
4. Step 4: Simplify right side
   20,494.81x = 502,512,007.48
5. Step 5: Solve for x
   x = 502,512,007.48/20,494.81
6. Step 6: Final answer
   x = 24,518.99