Finding the Fourth Proportional to 22,449.58, 30,980.03 and 12,377.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449.58 : 30,980.03 = 12,377.99 : x
2. Step 2: Convert to fraction form
   22,449.58/30,980.03 = 12,377.99/x
3. Step 3: Cross multiply
   22,449.58x = 30,980.03 × 12,377.99
4. Step 4: Simplify right side
   22,449.58x = 383,470,517.10
5. Step 5: Solve for x
   x = 383,470,517.10/22,449.58
6. Step 6: Final answer
   x = 17,081.41