Finding the Fourth Proportional to 16,984.48, 25,443.57 and 11,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   16,984.48 : 25,443.57 = 11,123.32 : x
2. Step 2: Convert to fraction form
   16,984.48/25,443.57 = 11,123.32/x
3. Step 3: Cross multiply
   16,984.48x = 25,443.57 × 11,123.32
4. Step 4: Simplify right side
   16,984.48x = 283,016,843.83
5. Step 5: Solve for x
   x = 283,016,843.83/16,984.48
6. Step 6: Final answer
   x = 16,663.27