Finding the Fourth Proportional to 11,524.05, 15,900.50 and 9,001.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,524.05 : 15,900.50 = 9,001.71 : x
2. Step 2: Convert to fraction form
   11,524.05/15,900.50 = 9,001.71/x
3. Step 3: Cross multiply
   11,524.05x = 15,900.50 × 9,001.71
4. Step 4: Simplify right side
   11,524.05x = 143,131,644.85
5. Step 5: Solve for x
   x = 143,131,644.85/11,524.05
6. Step 6: Final answer
   x = 12,420.26