Finding the Fourth Proportional to 22,453.37, 30,985.86 and 12,382.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.37 : 30,985.86 = 12,382.16 : x
2. Step 2: Convert to fraction form
   22,453.37/30,985.86 = 12,382.16/x
3. Step 3: Cross multiply
   22,453.37x = 30,985.86 × 12,382.16
4. Step 4: Simplify right side
   22,453.37x = 383,671,814.35
5. Step 5: Solve for x
   x = 383,671,814.35/22,453.37
6. Step 6: Final answer
   x = 17,087.50