Finding the Fourth Proportional to 22,451.82, 30,983.72 and 12,380.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.82 : 30,983.72 = 12,380.62 : x
2. Step 2: Convert to fraction form
   22,451.82/30,983.72 = 12,380.62/x
3. Step 3: Cross multiply
   22,451.82x = 30,983.72 × 12,380.62
4. Step 4: Simplify right side
   22,451.82x = 383,597,663.51
5. Step 5: Solve for x
   x = 383,597,663.51/22,451.82
6. Step 6: Final answer
   x = 17,085.37