Finding the Fourth Proportional to 25,903.72, 38,847.42 and 17,185

Step by Step Solution

1. Step 1: Write the proportion equation
   25,903.72 : 38,847.42 = 17,185 : x
2. Step 2: Convert to fraction form
   25,903.72/38,847.42 = 17,185/x
3. Step 3: Cross multiply
   25,903.72x = 38,847.42 × 17,185
4. Step 4: Simplify right side
   25,903.72x = 667,592,912.70
5. Step 5: Solve for x
   x = 667,592,912.70/25,903.72
6. Step 6: Final answer
   x = 25,772.09