Finding the Fourth Proportional to 16,903.72, 25,358.96 and 5,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,903.72 : 25,358.96 = 5,216.52 : x
2. Step 2: Convert to fraction form
   16,903.72/25,358.96 = 5,216.52/x
3. Step 3: Cross multiply
   16,903.72x = 25,358.96 × 5,216.52
4. Step 4: Simplify right side
   16,903.72x = 132,285,522.02
5. Step 5: Solve for x
   x = 132,285,522.02/16,903.72
6. Step 6: Final answer
   x = 7,825.82