Finding the Fourth Proportional to 25,851.39, 35,688.47 and 17,397.96

Step by Step Solution

1. Step 1: Write the proportion equation
   25,851.39 : 35,688.47 = 17,397.96 : x
2. Step 2: Convert to fraction form
   25,851.39/35,688.47 = 17,397.96/x
3. Step 3: Cross multiply
   25,851.39x = 35,688.47 × 17,397.96
4. Step 4: Simplify right side
   25,851.39x = 620,906,573.52
5. Step 5: Solve for x
   x = 620,906,573.52/25,851.39
6. Step 6: Final answer
   x = 24,018.31