Finding the Fourth Proportional to 25,171.32, 37,683.15 and 17,648.80

Step by Step Solution

1. Step 1: Write the proportion equation
   25,171.32 : 37,683.15 = 17,648.80 : x
2. Step 2: Convert to fraction form
   25,171.32/37,683.15 = 17,648.80/x
3. Step 3: Cross multiply
   25,171.32x = 37,683.15 × 17,648.80
4. Step 4: Simplify right side
   25,171.32x = 665,062,377.72
5. Step 5: Solve for x
   x = 665,062,377.72/25,171.32
6. Step 6: Final answer
   x = 26,421.43