Finding the Fourth Proportional to 22,453.04, 30,985.32 and 12,380.96

Step by Step Solution

1. Step 1: Write the proportion equation
   22,453.04 : 30,985.32 = 12,380.96 : x
2. Step 2: Convert to fraction form
   22,453.04/30,985.32 = 12,380.96/x
3. Step 3: Cross multiply
   22,453.04x = 30,985.32 × 12,380.96
4. Step 4: Simplify right side
   22,453.04x = 383,628,007.51
5. Step 5: Solve for x
   x = 383,628,007.51/22,453.04
6. Step 6: Final answer
   x = 17,085.79