Finding the Fourth Proportional to 15,500.34, 23,231.49 and 7,169.10

Step by Step Solution

1. Step 1: Write the proportion equation
   15,500.34 : 23,231.49 = 7,169.10 : x
2. Step 2: Convert to fraction form
   15,500.34/23,231.49 = 7,169.10/x
3. Step 3: Cross multiply
   15,500.34x = 23,231.49 × 7,169.10
4. Step 4: Simplify right side
   15,500.34x = 166,548,874.96
5. Step 5: Solve for x
   x = 166,548,874.96/15,500.34
6. Step 6: Final answer
   x = 10,744.85