Finding the Fourth Proportional to 16,663.38, 22,980.55 and 13,826.25

Step by Step Solution

1. Step 1: Write the proportion equation
   16,663.38 : 22,980.55 = 13,826.25 : x
2. Step 2: Convert to fraction form
   16,663.38/22,980.55 = 13,826.25/x
3. Step 3: Cross multiply
   16,663.38x = 22,980.55 × 13,826.25
4. Step 4: Simplify right side
   16,663.38x = 317,734,829.44
5. Step 5: Solve for x
   x = 317,734,829.44/16,663.38
6. Step 6: Final answer
   x = 19,067.85