Finding the Fourth Proportional to 17,918.72, 26,763.50 and 16,227.60

Step by Step Solution

1. Step 1: Write the proportion equation
   17,918.72 : 26,763.50 = 16,227.60 : x
2. Step 2: Convert to fraction form
   17,918.72/26,763.50 = 16,227.60/x
3. Step 3: Cross multiply
   17,918.72x = 26,763.50 × 16,227.60
4. Step 4: Simplify right side
   17,918.72x = 434,307,157.64
5. Step 5: Solve for x
   x = 434,307,157.64/17,918.72
6. Step 6: Final answer
   x = 24,237.63