Finding the Fourth Proportional to 17,429.87, 26,076.37 and 13,451.07

Step by Step Solution

1. Step 1: Write the proportion equation
   17,429.87 : 26,076.37 = 13,451.07 : x
2. Step 2: Convert to fraction form
   17,429.87/26,076.37 = 13,451.07/x
3. Step 3: Cross multiply
   17,429.87x = 26,076.37 × 13,451.07
4. Step 4: Simplify right side
   17,429.87x = 350,755,078.22
5. Step 5: Solve for x
   x = 350,755,078.22/17,429.87
6. Step 6: Final answer
   x = 20,123.79