Finding the Fourth Proportional to 16,645.56, 22,974.72 and 10,981.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.56 : 22,974.72 = 10,981.32 : x
2. Step 2: Convert to fraction form
   16,645.56/22,974.72 = 10,981.32/x
3. Step 3: Cross multiply
   16,645.56x = 22,974.72 × 10,981.32
4. Step 4: Simplify right side
   16,645.56x = 252,292,752.23
5. Step 5: Solve for x
   x = 252,292,752.23/16,645.56
6. Step 6: Final answer
   x = 15,156.76