Finding the Fourth Proportional to 16,538.28, 22,809.63 and 10,878.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,538.28 : 22,809.63 = 10,878.84 : x
2. Step 2: Convert to fraction form
   16,538.28/22,809.63 = 10,878.84/x
3. Step 3: Cross multiply
   16,538.28x = 22,809.63 × 10,878.84
4. Step 4: Simplify right side
   16,538.28x = 248,142,315.23
5. Step 5: Solve for x
   x = 248,142,315.23/16,538.28
6. Step 6: Final answer
   x = 15,004.12