Finding the Fourth Proportional to 22,449.48, 30,980.34 and 12,377.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449.48 : 30,980.34 = 12,377.69 : x
2. Step 2: Convert to fraction form
   22,449.48/30,980.34 = 12,377.69/x
3. Step 3: Cross multiply
   22,449.48x = 30,980.34 × 12,377.69
4. Step 4: Simplify right side
   22,449.48x = 383,464,889.71
5. Step 5: Solve for x
   x = 383,464,889.71/22,449.48
6. Step 6: Final answer
   x = 17,081.24