Finding the Fourth Proportional to 22,449, 30,980.93 and 12,379.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449 : 30,980.93 = 12,379.59 : x
2. Step 2: Convert to fraction form
   22,449/30,980.93 = 12,379.59/x
3. Step 3: Cross multiply
   22,449x = 30,980.93 × 12,379.59
4. Step 4: Simplify right side
   22,449x = 383,531,149.32
5. Step 5: Solve for x
   x = 383,531,149.32/22,449
6. Step 6: Final answer
   x = 17,084.55