Finding the Fourth Proportional to 22,453.67, 30,985.38 and 12,382.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.67 : 30,985.38 = 12,382.10 : x
2. Step 2: Convert to fraction form
   22,453.67/30,985.38 = 12,382.10/x
3. Step 3: Cross multiply
   22,453.67x = 30,985.38 × 12,382.10
4. Step 4: Simplify right side
   22,453.67x = 383,663,918.77
5. Step 5: Solve for x
   x = 383,663,918.77/22,453.67
6. Step 6: Final answer
   x = 17,086.92