Finding the Fourth Proportional to 17,123.70, 25,669.35 and 10,109.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,123.70 : 25,669.35 = 10,109.10 : x
2. Step 2: Convert to fraction form
   17,123.70/25,669.35 = 10,109.10/x
3. Step 3: Cross multiply
   17,123.70x = 25,669.35 × 10,109.10
4. Step 4: Simplify right side
   17,123.70x = 259,494,026.09
5. Step 5: Solve for x
   x = 259,494,026.09/17,123.70
6. Step 6: Final answer
   x = 15,154.09