Finding the Fourth Proportional to 11,624.46, 16,019.82 and 9,102.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,624.46 : 16,019.82 = 9,102.39 : x
2. Step 2: Convert to fraction form
   11,624.46/16,019.82 = 9,102.39/x
3. Step 3: Cross multiply
   11,624.46x = 16,019.82 × 9,102.39
4. Step 4: Simplify right side
   11,624.46x = 145,818,649.37
5. Step 5: Solve for x
   x = 145,818,649.37/11,624.46
6. Step 6: Final answer
   x = 12,544.12