Finding the Fourth Proportional to 22,451.48, 30,983.10 and 12,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,451.48 : 30,983.10 = 12,379.69 : x
2. Step 2: Convert to fraction form
   22,451.48/30,983.10 = 12,379.69/x
3. Step 3: Cross multiply
   22,451.48x = 30,983.10 × 12,379.69
4. Step 4: Simplify right side
   22,451.48x = 383,561,173.24
5. Step 5: Solve for x
   x = 383,561,173.24/22,451.48
6. Step 6: Final answer
   x = 17,084.00