Finding the Fourth Proportional to 16,362.72, 22,593.87 and 13,338.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,362.72 : 22,593.87 = 13,338.32 : x
2. Step 2: Convert to fraction form
   16,362.72/22,593.87 = 13,338.32/x
3. Step 3: Cross multiply
   16,362.72x = 22,593.87 × 13,338.32
4. Step 4: Simplify right side
   16,362.72x = 301,364,155.13
5. Step 5: Solve for x
   x = 301,364,155.13/16,362.72
6. Step 6: Final answer
   x = 18,417.73