Finding the Fourth Proportional to 17,190.27, 25,579.56 and 17,131.95

Step by Step Solution

1. Step 1: Write the proportion equation
   17,190.27 : 25,579.56 = 17,131.95 : x
2. Step 2: Convert to fraction form
   17,190.27/25,579.56 = 17,131.95/x
3. Step 3: Cross multiply
   17,190.27x = 25,579.56 × 17,131.95
4. Step 4: Simplify right side
   17,190.27x = 438,227,742.94
5. Step 5: Solve for x
   x = 438,227,742.94/17,190.27
6. Step 6: Final answer
   x = 25,492.78