Finding the Fourth Proportional to 17,091.11, 25,638.50 and 7,231.39

Step by Step Solution

1. Step 1: Write the proportion equation
   17,091.11 : 25,638.50 = 7,231.39 : x
2. Step 2: Convert to fraction form
   17,091.11/25,638.50 = 7,231.39/x
3. Step 3: Cross multiply
   17,091.11x = 25,638.50 × 7,231.39
4. Step 4: Simplify right side
   17,091.11x = 185,401,828.17
5. Step 5: Solve for x
   x = 185,401,828.17/17,091.11
6. Step 6: Final answer
   x = 10,847.85