Finding the Fourth Proportional to 22,123.24, 30,559.92 and 17,678.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,123.24 : 30,559.92 = 17,678.16 : x
2. Step 2: Convert to fraction form
   22,123.24/30,559.92 = 17,678.16/x
3. Step 3: Cross multiply
   22,123.24x = 30,559.92 × 17,678.16
4. Step 4: Simplify right side
   22,123.24x = 540,243,155.35
5. Step 5: Solve for x
   x = 540,243,155.35/22,123.24
6. Step 6: Final answer
   x = 24,419.71