Finding the Fourth Proportional to 16,748.64, 25,123.20 and 7,984.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,748.64 : 25,123.20 = 7,984.48 : x
2. Step 2: Convert to fraction form
   16,748.64/25,123.20 = 7,984.48/x
3. Step 3: Cross multiply
   16,748.64x = 25,123.20 × 7,984.48
4. Step 4: Simplify right side
   16,748.64x = 200,595,687.94
5. Step 5: Solve for x
   x = 200,595,687.94/16,748.64
6. Step 6: Final answer
   x = 11,976.83