Finding the Fourth Proportional to 22,451.86, 30,982.96 and 12,380.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.86 : 30,982.96 = 12,380.12 : x
2. Step 2: Convert to fraction form
   22,451.86/30,982.96 = 12,380.12/x
3. Step 3: Cross multiply
   22,451.86x = 30,982.96 × 12,380.12
4. Step 4: Simplify right side
   22,451.86x = 383,572,762.76
5. Step 5: Solve for x
   x = 383,572,762.76/22,451.86
6. Step 6: Final answer
   x = 17,084.23