Finding the Fourth Proportional to 22,448.67, 30,980.58 and 12,377.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,448.67 : 30,980.58 = 12,377.10 : x
2. Step 2: Convert to fraction form
   22,448.67/30,980.58 = 12,377.10/x
3. Step 3: Cross multiply
   22,448.67x = 30,980.58 × 12,377.10
4. Step 4: Simplify right side
   22,448.67x = 383,449,806.48
5. Step 5: Solve for x
   x = 383,449,806.48/22,448.67
6. Step 6: Final answer
   x = 17,081.18