Finding the Fourth Proportional to 22,449.82, 30,979.32 and 12,377.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449.82 : 30,979.32 = 12,377.71 : x
2. Step 2: Convert to fraction form
   22,449.82/30,979.32 = 12,377.71/x
3. Step 3: Cross multiply
   22,449.82x = 30,979.32 × 12,377.71
4. Step 4: Simplify right side
   22,449.82x = 383,453,038.96
5. Step 5: Solve for x
   x = 383,453,038.96/22,449.82
6. Step 6: Final answer
   x = 17,080.45