Finding the Fourth Proportional to 18,131.97, 25,009.41 and 17,522.34

Step by Step Solution

1. Step 1: Write the proportion equation
   18,131.97 : 25,009.41 = 17,522.34 : x
2. Step 2: Convert to fraction form
   18,131.97/25,009.41 = 17,522.34/x
3. Step 3: Cross multiply
   18,131.97x = 25,009.41 × 17,522.34
4. Step 4: Simplify right side
   18,131.97x = 438,223,385.22
5. Step 5: Solve for x
   x = 438,223,385.22/18,131.97
6. Step 6: Final answer
   x = 24,168.55